Merge nuts.ninka.net:/home/davem/src/BK/sparcwork-2.5

into nuts.ninka.net:/home/davem/src/BK/sparc-2.5

arch/sparc/kernel/sys_sparc.c

@@ -113,7 +113,7 @@ asmlinkage int sparc_pipe(struct pt_regs *regs)
  * This is really horribly ugly.
  */
 
-asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr, long fifth)
+asmlinkage int sys_ipc (uint call, int first, int second, int third, void __user *ptr, long fifth)
 {
 	int version, err;
 
@@ -123,7 +123,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
 	if (call <= SEMCTL)
 		switch (call) {
 		case SEMOP:
-			err = sys_semop (first, (struct sembuf *)ptr, second);
+			err = sys_semop (first, (struct sembuf __user *)ptr, second);
 			goto out;
 		case SEMGET:
 			err = sys_semget (first, second, third);
@@ -134,7 +134,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
 			if (!ptr)
 				goto out;
 			err = -EFAULT;
-			if(get_user(fourth.__pad, (void **)ptr))
+			if(get_user(fourth.__pad, (void __user **)ptr))
 				goto out;
 			err = sys_semctl (first, second, third, fourth);
 			goto out;
@@ -146,7 +146,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
 	if (call <= MSGCTL) 
 		switch (call) {
 		case MSGSND:
-			err = sys_msgsnd (first, (struct msgbuf *) ptr, 
+			err = sys_msgsnd (first, (struct msgbuf __user *) ptr, 
 					  second, third);
 			goto out;
 		case MSGRCV:
@@ -157,7 +157,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
 				if (!ptr)
 					goto out;
 				err = -EFAULT;
-				if(copy_from_user(&tmp,(struct ipc_kludge *) ptr, sizeof (tmp)))
+				if (copy_from_user(&tmp, (struct ipc_kludge __user *) ptr, sizeof (tmp)))
 					goto out;
 				err = sys_msgrcv (first, tmp.msgp, second, tmp.msgtyp, third);
 				goto out;
@@ -170,7 +170,7 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
 			err = sys_msgget ((key_t) first, second);
 			goto out;
 		case MSGCTL:
-			err = sys_msgctl (first, second, (struct msqid_ds *) ptr);
+			err = sys_msgctl (first, second, (struct msqid_ds __user *) ptr);
 			goto out;
 		default:
 			err = -ENOSYS;
@@ -182,27 +182,27 @@ asmlinkage int sys_ipc (uint call, int first, int second, int third, void *ptr,
 			switch (version) {
 			case 0: default: {
 				ulong raddr;
-				err = sys_shmat (first, (char *) ptr, second, &raddr);
+				err = sys_shmat (first, (char __user *) ptr, second, &raddr);
 				if (err)
 					goto out;
 				err = -EFAULT;
-				if(put_user (raddr, (ulong *) third))
+				if (put_user (raddr, (ulong __user *) third))
 					goto out;
 				err = 0;
 				goto out;
 				}
 			case 1:	/* iBCS2 emulator entry point */
-				err = sys_shmat (first, (char *) ptr, second, (ulong *) third);
+				err = sys_shmat (first, (char __user *) ptr, second, (ulong __user *) third);
 				goto out;
 			}
 		case SHMDT: 
-			err = sys_shmdt ((char *)ptr);
+			err = sys_shmdt ((char __user *)ptr);
 			goto out;
 		case SHMGET:
 			err = sys_shmget (first, second, third);
 			goto out;
 		case SHMCTL:
-			err = sys_shmctl (first, second, (struct shmid_ds *) ptr);
+			err = sys_shmctl (first, second, (struct shmid_ds __user *) ptr);
 			goto out;
 		default:
 			err = -ENOSYS;
@@ -345,8 +345,10 @@ c_sys_nis_syscall (struct pt_regs *regs)
 {
 	static int count = 0;
 
-	if (count++ > 5) return -ENOSYS;
-	printk ("%s[%d]: Unimplemented SPARC system call %d\n", current->comm, current->pid, (int)regs->u_regs[1]);
+	if (count++ > 5)
+		return -ENOSYS;
+	printk ("%s[%d]: Unimplemented SPARC system call %d\n",
+		current->comm, current->pid, (int)regs->u_regs[1]);
 #ifdef DEBUG_UNIMP_SYSCALL	
 	show_regs (regs);
 #endif
@@ -378,8 +380,8 @@ sparc_breakpoint (struct pt_regs *regs)
 }
 
 asmlinkage int
-sparc_sigaction (int sig, const struct old_sigaction *act,
-		 struct old_sigaction *oact)
+sparc_sigaction (int sig, const struct old_sigaction __user *act,
+		 struct old_sigaction __user *oact)
 {
 	struct k_sigaction new_ka, old_ka;
 	int ret;
@@ -422,8 +424,11 @@ sparc_sigaction (int sig, const struct old_sigaction *act,
 }
 
 asmlinkage int
-sys_rt_sigaction(int sig, const struct sigaction *act, struct sigaction *oact,
-		 void *restorer, size_t sigsetsize)
+sys_rt_sigaction(int sig,
+		 const struct sigaction __user *act,
+		 struct sigaction __user *oact,
+		 void __user *restorer,
+		 size_t sigsetsize)
 {
 	struct k_sigaction new_ka, old_ka;
 	int ret;
@@ -453,7 +458,7 @@ sys_rt_sigaction(int sig, const struct sigaction *act, struct sigaction *oact,
 	return ret;
 }
 
-asmlinkage int sys_getdomainname(char *name, int len)
+asmlinkage int sys_getdomainname(char __user *name, int len)
 {
  	int nlen;
  	int err = -EFAULT;
@@ -464,9 +469,9 @@ asmlinkage int sys_getdomainname(char *name, int len)
 
 	if (nlen < len)
 		len = nlen;
-	if(len > __NEW_UTS_LEN)
+	if (len > __NEW_UTS_LEN)
 		goto done;
-	if(copy_to_user(name, system_utsname.domainname, len))
+	if (copy_to_user(name, system_utsname.domainname, len))
 		goto done;
 	err = 0;
 done:

arch/sparc64/kernel/process.c

@@ -473,7 +473,7 @@ static unsigned long clone_stackframe(unsigned long csp, unsigned long psp)
 
 	distance = fp - psp;
 	rval = (csp - distance);
-	if (copy_in_user(rval, psp, distance))
+	if (copy_in_user((void __user *) rval, (void __user *) psp, distance))
 		rval = 0;
 	else if (test_thread_flag(TIF_32BIT)) {
 		if (put_user(((u32)csp), &(((struct reg_window32 *)rval)->ins[6])))

arch/sparc64/kernel/signal.c

@@ -42,8 +42,8 @@ static int do_signal(sigset_t *oldset, struct pt_regs * regs,
 /* {set, get}context() needed for 64-bit SparcLinux userland. */
 asmlinkage void sparc64_set_context(struct pt_regs *regs)
 {
-	struct ucontext *ucp = (struct ucontext *) regs->u_regs[UREG_I0];
-	mc_gregset_t *grp;
+	struct ucontext *ucp = (struct ucontext __user *) regs->u_regs[UREG_I0];
+	mc_gregset_t __user *grp;
 	unsigned long pc, npc, tstate;
 	unsigned long fp, i7;
 	unsigned char fenab;
@@ -104,9 +104,9 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
 	err |= __get_user(fp, &(ucp->uc_mcontext.mc_fp));
 	err |= __get_user(i7, &(ucp->uc_mcontext.mc_i7));
 	err |= __put_user(fp,
-	      (&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
+	      (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
 	err |= __put_user(i7,
-	      (&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
+	      (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
 
 	err |= __get_user(fenab, &(ucp->uc_mcontext.mc_fpregs.mcfpu_enab));
 	if (fenab) {
@@ -121,7 +121,7 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
 					      (sizeof(unsigned int) * 32));
 		if (fprs & FPRS_DU)
 			err |= copy_from_user(fpregs+16,
-			 ((unsigned long *)&(ucp->uc_mcontext.mc_fpregs.mcfpu_fregs))+16,
+			 ((unsigned long __user *)&(ucp->uc_mcontext.mc_fpregs.mcfpu_fregs))+16,
 			 (sizeof(unsigned int) * 32));
 		err |= __get_user(current_thread_info()->xfsr[0],
 				  &(ucp->uc_mcontext.mc_fpregs.mcfpu_fsr));
@@ -139,9 +139,9 @@ asmlinkage void sparc64_set_context(struct pt_regs *regs)
 
 asmlinkage void sparc64_get_context(struct pt_regs *regs)
 {
-	struct ucontext *ucp = (struct ucontext *) regs->u_regs[UREG_I0];
-	mc_gregset_t *grp;
-	mcontext_t *mcp;
+	struct ucontext *ucp = (struct ucontext __user *) regs->u_regs[UREG_I0];
+	mc_gregset_t __user *grp;
+	mcontext_t __user *mcp;
 	unsigned long fp, i7;
 	unsigned char fenab;
 	int err;
@@ -170,7 +170,7 @@ asmlinkage void sparc64_get_context(struct pt_regs *regs)
 	err = 0;
 	if (_NSIG_WORDS == 1)
 		err |= __put_user(current->blocked.sig[0],
-				  (unsigned long *)&ucp->uc_sigmask);
+				  (unsigned long __user *)&ucp->uc_sigmask);
 	else
 		err |= __copy_to_user(&ucp->uc_sigmask, &current->blocked,
 				      sizeof(sigset_t));
@@ -196,9 +196,9 @@ asmlinkage void sparc64_get_context(struct pt_regs *regs)
 	err |= __put_user(regs->u_regs[UREG_I7], &((*grp)[MC_O7]));
 
 	err |= __get_user(fp,
-		 (&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
+		 (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[6])));
 	err |= __get_user(i7,
-		 (&(((struct reg_window *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
+		 (&(((struct reg_window __user *)(STACK_BIAS+regs->u_regs[UREG_I6]))->ins[7])));
 	err |= __put_user(fp, &(mcp->mc_fp));
 	err |= __put_user(i7, &(mcp->mc_i7));
 
@@ -213,7 +213,7 @@ asmlinkage void sparc64_get_context(struct pt_regs *regs)
 					    (sizeof(unsigned int) * 32));
 		if (fprs & FPRS_DU)
 			err |= copy_to_user(
-                          ((unsigned long *)&(mcp->mc_fpregs.mcfpu_fregs))+16, fpregs+16,
+                          ((unsigned long __user *)&(mcp->mc_fpregs.mcfpu_fregs))+16, fpregs+16,
 			  (sizeof(unsigned int) * 32));
 		err |= __put_user(current_thread_info()->xfsr[0], &(mcp->mc_fpregs.mcfpu_fsr));
 		err |= __put_user(current_thread_info()->gsr[0], &(mcp->mc_fpregs.mcfpu_gsr));
@@ -231,7 +231,7 @@ struct rt_signal_frame {
 	struct sparc_stackf	ss;
 	siginfo_t		info;
 	struct pt_regs		regs;
-	__siginfo_fpu_t *	fpu_save;
+	__siginfo_fpu_t __user	*fpu_save;
 	stack_t			stack;
 	sigset_t		mask;
 	__siginfo_fpu_t		fpu_state;
@@ -300,7 +300,7 @@ asmlinkage void do_sigsuspend(struct pt_regs *regs)
 	_sigpause_common(regs->u_regs[UREG_I0], regs);
 }
 
-asmlinkage void do_rt_sigsuspend(sigset_t *uset, size_t sigsetsize, struct pt_regs *regs)
+asmlinkage void do_rt_sigsuspend(sigset_t __user *uset, size_t sigsetsize, struct pt_regs *regs)
 {
 	sigset_t oldset, set;
         
@@ -351,7 +351,7 @@ asmlinkage void do_rt_sigsuspend(sigset_t *uset, size_t sigsetsize, struct pt_re
 }
 
 static inline int
-restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
+restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
 {
 	unsigned long *fpregs = current_thread_info()->fpregs;
 	unsigned long fprs;
@@ -374,16 +374,16 @@ restore_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
 
 void do_rt_sigreturn(struct pt_regs *regs)
 {
-	struct rt_signal_frame *sf;
+	struct rt_signal_frame __user *sf;
 	unsigned long tpc, tnpc, tstate;
-	__siginfo_fpu_t *fpu_save;
+	__siginfo_fpu_t __user *fpu_save;
 	mm_segment_t old_fs;
 	sigset_t set;
 	stack_t st;
 	int err;
 
 	synchronize_user_stack ();
-	sf = (struct rt_signal_frame *)
+	sf = (struct rt_signal_frame __user *)
 		(regs->u_regs [UREG_FP] + STACK_BIAS);
 
 	/* 1. Make sure we are not getting garbage from the user */
@@ -438,7 +438,7 @@ void do_rt_sigreturn(struct pt_regs *regs)
 }
 
 /* Checks if the fp is valid */
-static int invalid_frame_pointer(void *fp, int fplen)
+static int invalid_frame_pointer(void __user *fp, int fplen)
 {
 	if (((unsigned long) fp) & 7)
 		return 1;
@@ -446,7 +446,7 @@ static int invalid_frame_pointer(void *fp, int fplen)
 }
 
 static inline int
-save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
+save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t __user *fpu)
 {
 	unsigned long *fpregs = (unsigned long *)(regs+1);
 	unsigned long fprs;
@@ -466,7 +466,7 @@ save_fpu_state(struct pt_regs *regs, __siginfo_fpu_t *fpu)
 	return err;
 }
 
-static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize)
+static inline void __user *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, unsigned long framesize)
 {
 	unsigned long sp;
 
@@ -478,14 +478,14 @@ static inline void *get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, u
 		    !((current->sas_ss_sp + current->sas_ss_size) & 7))
 			sp = current->sas_ss_sp + current->sas_ss_size;
 	}
-	return (void *)(sp - framesize);
+	return (void __user *)(sp - framesize);
 }
 
 static inline void
 setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
 	       int signo, sigset_t *oldset, siginfo_t *info)
 {
-	struct rt_signal_frame *sf;
+	struct rt_signal_frame __user *sf;
 	int sigframe_size, err;
 
 	/* 1. Make sure everything is clean */
@@ -496,7 +496,8 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
 	if (!(current_thread_info()->fpsaved[0] & FPRS_FEF))
 		sigframe_size -= sizeof(__siginfo_fpu_t);
 
-	sf = (struct rt_signal_frame *)get_sigframe(ka, regs, sigframe_size);
+	sf = (struct rt_signal_frame __user *)
+		get_sigframe(ka, regs, sigframe_size);
 	
 	if (invalid_frame_pointer (sf, sigframe_size))
 		goto sigill;
@@ -521,8 +522,8 @@ setup_rt_frame(struct k_sigaction *ka, struct pt_regs *regs,
 
 	err |= copy_to_user(&sf->mask, oldset, sizeof(sigset_t));
 
-	err |= copy_in_user((u64 *)sf,
-			    (u64 *)(regs->u_regs[UREG_FP]+STACK_BIAS),
+	err |= copy_in_user((u64 __user *)sf,
+			    (u64 __user *)(regs->u_regs[UREG_FP]+STACK_BIAS),
 			    sizeof(struct reg_window));
 
 	if (info)
@@ -560,7 +561,8 @@ static inline void handle_signal(unsigned long signr, struct k_sigaction *ka,
 				 siginfo_t *info,
 				 sigset_t *oldset, struct pt_regs *regs)
 {
-	setup_rt_frame(ka, regs, signr, oldset, (ka->sa.sa_flags & SA_SIGINFO) ? info : NULL);
+	setup_rt_frame(ka, regs, signr, oldset,
+		       (ka->sa.sa_flags & SA_SIGINFO) ? info : NULL);
 	if (ka->sa.sa_flags & SA_ONESHOT)
 		ka->sa.sa_handler = SIG_DFL;
 	if (!(ka->sa.sa_flags & SA_NOMASK)) {

arch/sparc64/kernel/sys_sparc.c

@@ -245,9 +245,9 @@ asmlinkage int sys_ipc (unsigned call, int first, int second, unsigned long thir
 	return err;
 }
 
-extern asmlinkage int sys_newuname(struct new_utsname * name);
+extern asmlinkage int sys_newuname(struct new_utsname __user *name);
 
-asmlinkage int sparc64_newuname(struct new_utsname * name)
+asmlinkage int sparc64_newuname(struct new_utsname __user *name)
 {
 	int ret = sys_newuname(name);
 	
@@ -421,7 +421,7 @@ sparc_breakpoint (struct pt_regs *regs)
 
 extern void check_pending(int signum);
 
-asmlinkage int sys_getdomainname(char *name, int len)
+asmlinkage int sys_getdomainname(char __user *name, int len)
 {
         int nlen;
 	int err = -EFAULT;
@@ -432,9 +432,9 @@ asmlinkage int sys_getdomainname(char *name, int len)
 
         if (nlen < len)
                 len = nlen;
-	if(len > __NEW_UTS_LEN)
+	if (len > __NEW_UTS_LEN)
 		goto done;
-	if(copy_to_user(name, system_utsname.domainname, len))
+	if (copy_to_user(name, system_utsname.domainname, len))
 		goto done;
 	err = 0;
 done:
@@ -458,7 +458,7 @@ asmlinkage int solaris_syscall(struct pt_regs *regs)
 		regs->tpc &= 0xffffffff;
 		regs->tnpc &= 0xffffffff;
 	}
-	if(++count <= 5) {
+	if (++count <= 5) {
 		printk ("For Solaris binary emulation you need solaris module loaded\n");
 		show_regs (regs);
 	}
@@ -478,7 +478,7 @@ asmlinkage int sunos_syscall(struct pt_regs *regs)
 		regs->tpc &= 0xffffffff;
 		regs->tnpc &= 0xffffffff;
 	}
-	if(++count <= 20)
+	if (++count <= 20)
 		printk ("SunOS binary emulation not compiled in\n");
 	force_sig(SIGSEGV, current);
 
@@ -486,9 +486,11 @@ asmlinkage int sunos_syscall(struct pt_regs *regs)
 }
 #endif
 
-asmlinkage int sys_utrap_install(utrap_entry_t type, utrap_handler_t new_p,
+asmlinkage int sys_utrap_install(utrap_entry_t type,
+				 utrap_handler_t new_p,
 				 utrap_handler_t new_d,
-				 utrap_handler_t *old_p, utrap_handler_t *old_d)
+				 utrap_handler_t __user *old_p,
+				 utrap_handler_t __user *old_d)
 {
 	if (type < UT_INSTRUCTION_EXCEPTION || type > UT_TRAP_INSTRUCTION_31)
 		return -EINVAL;
@@ -511,9 +513,11 @@ asmlinkage int sys_utrap_install(utrap_entry_t type, utrap_handler_t new_p,
 	if (!current_thread_info()->utraps) {
 		current_thread_info()->utraps =
 			kmalloc((UT_TRAP_INSTRUCTION_31+1)*sizeof(long), GFP_KERNEL);
-		if (!current_thread_info()->utraps) return -ENOMEM;
+		if (!current_thread_info()->utraps)
+			return -ENOMEM;
 		current_thread_info()->utraps[0] = 1;
-		memset(current_thread_info()->utraps+1, 0, UT_TRAP_INSTRUCTION_31*sizeof(long));
+		memset(current_thread_info()->utraps+1, 0,
+		       UT_TRAP_INSTRUCTION_31*sizeof(long));
 	} else {
 		if ((utrap_handler_t)current_thread_info()->utraps[type] != new_p &&
 		    current_thread_info()->utraps[0] > 1) {

include/asm-sparc/signal.h

@@ -118,10 +118,10 @@ struct sigstack {
 };
 
 /* Sigvec flags */
-#define SV_SSTACK    1     /* This signal handler should use sig-stack */
-#define SV_INTR      2     /* Sig return should not restart system call */
-#define SV_RESET     4     /* Set handler to SIG_DFL upon taken signal */
-#define SV_IGNCHILD  8     /* Do not send SIGCHLD */
+#define SV_SSTACK    1u    /* This signal handler should use sig-stack */
+#define SV_INTR      2u    /* Sig return should not restart system call */
+#define SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
+#define SV_IGNCHILD  8u    /* Do not send SIGCHLD */
 
 /*
  * sa_flags values: SA_STACK is not currently supported, but will allow the
@@ -137,11 +137,11 @@ struct sigstack {
 #define SA_ONSTACK	SV_SSTACK
 #define SA_RESTART	SV_INTR
 #define SA_ONESHOT	SV_RESET
-#define SA_INTERRUPT	0x10
-#define SA_NOMASK	0x20
-#define SA_SHIRQ	0x40
-#define SA_NOCLDWAIT	0x100
-#define SA_SIGINFO	0x200
+#define SA_INTERRUPT	0x10u
+#define SA_NOMASK	0x20u
+#define SA_SHIRQ	0x40u
+#define SA_NOCLDWAIT	0x100u
+#define SA_SIGINFO	0x200u
 
 #define SIG_BLOCK          0x01	/* for blocking signals */
 #define SIG_UNBLOCK        0x02	/* for unblocking signals */

include/asm-sparc/uaccess.h

@@ -8,6 +8,7 @@
 #define _ASM_UACCESS_H
 
 #ifdef __KERNEL__
+#include <linux/compiler.h>
 #include <linux/sched.h>
 #include <linux/string.h>
 #include <linux/errno.h>
@@ -45,7 +46,7 @@
 #define __access_ok(addr,size) (__user_ok((addr) & get_fs().seg,(size)))
 #define access_ok(type,addr,size) __access_ok((unsigned long)(addr),(size))
 
-extern inline int verify_area(int type, const void * addr, unsigned long size)
+static inline int verify_area(int type, const void __user * addr, unsigned long size)
 {
 	return access_ok(type,addr,size)?0:-EFAULT;
 }
@@ -291,38 +292,38 @@ __asm__ __volatile__(							\
 
 extern int __get_user_bad(void);
 
-extern __kernel_size_t __copy_user(void *to, void *from, __kernel_size_t size);
-
-#define copy_to_user(to,from,n) ({ \
-void *__copy_to = (void *) (to); \
-__kernel_size_t __copy_size = (__kernel_size_t) (n); \
-__kernel_size_t __copy_res; \
-if(__copy_size && __access_ok((unsigned long)__copy_to, __copy_size)) { \
-__copy_res = __copy_user(__copy_to, (void *) (from), __copy_size); \
-} else __copy_res = __copy_size; \
-__copy_res; })
-
-#define __copy_to_user(to,from,n)		\
-	__copy_user((void *)(to),		\
-		    (void *)(from), n)
-
-#define copy_from_user(to,from,n) ({ \
-void *__copy_to = (void *) (to); \
-void *__copy_from = (void *) (from); \
-__kernel_size_t __copy_size = (__kernel_size_t) (n); \
-__kernel_size_t __copy_res; \
-if(__copy_size && __access_ok((unsigned long)__copy_from, __copy_size)) { \
-__copy_res = __copy_user(__copy_to, __copy_from, __copy_size); \
-} else __copy_res = __copy_size; \
-__copy_res; })
-
-#define __copy_from_user(to,from,n)		\
-	__copy_user((void *)(to),		\
-		    (void *)(from), n)
-
-extern __inline__ __kernel_size_t __clear_user(void *addr, __kernel_size_t size)
+extern unsigned long __copy_user(void *to, void *from, unsigned long size);
+
+static inline unsigned long copy_to_user(void __user *to, void *from, unsigned long n)
+{
+	if (n && __access_ok((unsigned long) to, n))
+		return __copy_user((void *) to, from, n);
+	else
+		return n;
+}
+
+static inline unsigned long __copy_to_user(void __user *to, void *from, unsigned long n)
+{
+	return __copy_user((void *)to, from, n);
+}
+
+static inline unsigned long copy_from_user(void *to, void __user *from, unsigned long n)
 {
-  __kernel_size_t ret;
+	if (n && __access_ok((unsigned long) from, n))
+		return __copy_user(to, (void *) from, n);
+	else
+		return n;
+}
+
+static inline unsigned long __copy_from_user(void *to, void __user *from, unsigned long n)
+{
+	return __copy_user(to, (void *)from, n);
+}
+
+static inline unsigned long __clear_user(void __user *addr, unsigned long size)
+{
+	unsigned long ret;
+
 	__asm__ __volatile__ (
 		".section __ex_table,#alloc\n\t"
 		".align 4\n\t"
@@ -336,42 +337,42 @@ extern __inline__ __kernel_size_t __clear_user(void *addr, __kernel_size_t size)
 		: "=r" (ret) : "r" (addr), "r" (size) :
 		"o0", "o1", "o2", "o3", "o4", "o5", "o7",
 		"g1", "g2", "g3", "g4", "g5", "g7", "cc");
+
 	return ret;
 }
 
-#define clear_user(addr,n) ({ \
-void *__clear_addr = (void *) (addr); \
-__kernel_size_t __clear_size = (__kernel_size_t) (n); \
-__kernel_size_t __clear_res; \
-if(__clear_size && __access_ok((unsigned long)__clear_addr, __clear_size)) { \
-__clear_res = __clear_user(__clear_addr, __clear_size); \
-} else __clear_res = __clear_size; \
-__clear_res; })
-
-extern int __strncpy_from_user(unsigned long dest, unsigned long src, int count);
-
-#define strncpy_from_user(dest,src,count) ({ \
-unsigned long __sfu_src = (unsigned long) (src); \
-int __sfu_count = (int) (count); \
-long __sfu_res = -EFAULT; \
-if(__access_ok(__sfu_src, __sfu_count)) { \
-__sfu_res = __strncpy_from_user((unsigned long) (dest), __sfu_src, __sfu_count); \
-} __sfu_res; })
-
-extern int __strlen_user(const char *);
-extern int __strnlen_user(const char *, long len);
-
-extern __inline__ int strlen_user(const char *str)
+static inline unsigned long clear_user(void __user *addr, unsigned long n)
+{
+	if (n && __access_ok((unsigned long) addr, n)) {
+		return __clear_user(addr, n);
+	else
+		return n;
+}
+
+extern long __strncpy_from_user(char *dest, const char __user *src, long count);
+
+static inline long strncpy_from_user(char *dest, const char __user *src, long count)
+{
+	if (__access_ok((unsigned long) src, count))
+		return __strncpy_from_user(dest, src, count);
+	else
+		return -EFAULT;
+}
+
+extern long __strlen_user(const char __user *);
+extern long __strnlen_user(const char __user *, long len);
+
+static inline long strlen_user(const char __user *str)
 {
-	if(!access_ok(VERIFY_READ, str, 0))
+	if (!access_ok(VERIFY_READ, str, 0))
 		return 0;
 	else
 		return __strlen_user(str);
 }
 
-extern __inline__ int strnlen_user(const char *str, long len)
+static inline long strnlen_user(const char __user *str, long len)
 {
-	if(!access_ok(VERIFY_READ, str, 0))
+	if (!access_ok(VERIFY_READ, str, 0))
 		return 0;
 	else
 		return __strnlen_user(str, len);

include/asm-sparc64/signal.h

@@ -123,10 +123,10 @@ struct sigstack {
 };
 
 /* Sigvec flags */
-#define SV_SSTACK    1     /* This signal handler should use sig-stack */
-#define SV_INTR      2     /* Sig return should not restart system call */
-#define SV_RESET     4     /* Set handler to SIG_DFL upon taken signal */
-#define SV_IGNCHILD  8     /* Do not send SIGCHLD */
+#define SV_SSTACK    1u    /* This signal handler should use sig-stack */
+#define SV_INTR      2u    /* Sig return should not restart system call */
+#define SV_RESET     4u    /* Set handler to SIG_DFL upon taken signal */
+#define SV_IGNCHILD  8u    /* Do not send SIGCHLD */
 
 /*
  * sa_flags values: SA_STACK is not currently supported, but will allow the
@@ -142,11 +142,11 @@ struct sigstack {
 #define SA_ONSTACK	SV_SSTACK
 #define SA_RESTART	SV_INTR
 #define SA_ONESHOT	SV_RESET
-#define SA_INTERRUPT	0x10
-#define SA_NOMASK	0x20
-#define SA_SHIRQ	0x40
-#define SA_NOCLDWAIT    0x100
-#define SA_SIGINFO      0x200
+#define SA_INTERRUPT	0x10u
+#define SA_NOMASK	0x20u
+#define SA_SHIRQ	0x40u
+#define SA_NOCLDWAIT    0x100u
+#define SA_SIGINFO      0x200u
 
 
 #define SIG_BLOCK          0x01	/* for blocking signals */

include/asm-sparc64/uaccess.h

@@ -7,6 +7,7 @@
  */
 
 #ifdef __KERNEL__
+#include <linux/compiler.h>
 #include <linux/sched.h>
 #include <linux/string.h>
 #include <asm/a.out.h>
@@ -52,7 +53,7 @@ do {										\
 #define __access_ok(addr,size) 1
 #define access_ok(type,addr,size) 1
 
-static inline int verify_area(int type, const void * addr, unsigned long size)
+static inline int verify_area(int type, const void __user * addr, unsigned long size)
 {
 	return 0;
 }
@@ -249,44 +250,34 @@ __asm__ __volatile__(							\
 
 extern int __get_user_bad(void);
 
-extern __kernel_size_t __copy_from_user(void *to, const void *from,
-					__kernel_size_t size);
+extern unsigned long __copy_from_user(void *to, const void __user *from,
+				      unsigned long size);
 
-extern __kernel_size_t __copy_to_user(void *to, const void *from,
-				      __kernel_size_t size);
+extern unsigned long __copy_to_user(void __user *to, const void *from,
+				    unsigned long size);
 
-extern __kernel_size_t __copy_in_user(void *to, const void *from,
-				      __kernel_size_t size);
+extern unsigned long __copy_in_user(void __user *to, const void __user *from,
+				    unsigned long size);
 
-#define copy_from_user(to,from,n)		\
-	__copy_from_user((void *)(to),	\
-		    (void *)(from), (__kernel_size_t)(n))
+#define copy_from_user __copy_from_user
+#define copy_to_user __copy_to_user
+#define copy_in_user __copy_in_user
 
-#define copy_to_user(to,from,n) \
-	__copy_to_user((void *)(to), \
-	(void *) (from), (__kernel_size_t)(n))
-
-#define copy_in_user(to,from,n) \
-	__copy_in_user((void *)(to), \
-	(void *) (from), (__kernel_size_t)(n))
-
-static __inline__ __kernel_size_t __clear_user(void *addr, __kernel_size_t size)
+static inline unsigned long __clear_user(void __user *addr, unsigned long size)
 {
-	extern __kernel_size_t __bzero_noasi(void *addr, __kernel_size_t size);
+	extern unsigned long __bzero_noasi(void *addr, unsigned long size);
 	
-	return __bzero_noasi(addr, size);
+	return __bzero_noasi((void *) addr, size);
 }
 
-#define clear_user(addr,n) \
-	__clear_user((void *)(addr), (__kernel_size_t)(n))
+#define clear_user __clear_user
 
-extern int __strncpy_from_user(unsigned long dest, unsigned long src, int count);
+extern long __strncpy_from_user(char *dest, const char __user *src, long count);
 
-#define strncpy_from_user(dest,src,count) \
-	__strncpy_from_user((unsigned long)(dest), (unsigned long)(src), (int)(count))
+#define strncpy_from_user __strncpy_from_user
 
-extern int __strlen_user(const char *);
-extern int __strnlen_user(const char *, long len);
+extern long __strlen_user(const char __user *);
+extern long __strnlen_user(const char __user *, long len);
 
 #define strlen_user __strlen_user
 #define strnlen_user __strnlen_user