[PATCH] FD_ZERO build fix

unionfs managed to hit this on s390.  Some architectures use __ptr_t in their
FD_ZERO implementation.  We don't have a __ptr_t.  Switch them over to plain
old void*.

Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Josef 'Jeff' Sipek <jsipek@cs.sunysb.edu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

include/asm-alpha/posix_types.h

@@ -49,7 +49,7 @@ typedef unsigned int	__kernel_old_dev_t;
 #define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
 #define	__FD_ISSET(d, set)	(((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
 #define	__FD_ZERO(set)	\
-  ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
+  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
 
 #else /* __GNUC__ */
 

include/asm-ia64/posix_types.h

@@ -54,7 +54,7 @@ typedef unsigned int	__kernel_old_dev_t;
 #define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
 #define	__FD_ISSET(d, set)	(((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
 #define	__FD_ZERO(set)	\
-  ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
+  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
 
 #  else /* !__GNUC__ */
 

include/asm-powerpc/posix_types.h

@@ -60,7 +60,7 @@ typedef struct {
 #define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
 #define	__FD_ISSET(d, set)	(((set)->fds_bits[__FDELT(d)] & __FDMASK(d)) != 0)
 #define	__FD_ZERO(set)	\
-  ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
+  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
 
 #else /* __GNUC__ */
 

include/asm-s390/posix_types.h

@@ -104,7 +104,7 @@ static inline int __FD_ISSET(unsigned long fd, const __kernel_fd_set *fdsetp)
 
 #undef  __FD_ZERO
 #define __FD_ZERO(fdsetp) \
-	((void) memset ((__ptr_t) (fdsetp), 0, sizeof (__kernel_fd_set)))
+	((void) memset ((void *) (fdsetp), 0, sizeof (__kernel_fd_set)))
 
 #endif     /* __KERNEL__ */
 

include/asm-xtensa/posix_types.h

@@ -60,7 +60,7 @@ typedef struct {
 #define	__FD_CLR(d, set)	((set)->fds_bits[__FDELT(d)] &= ~__FDMASK(d))
 #define	__FD_ISSET(d, set)	((set)->fds_bits[__FDELT(d)] & __FDMASK(d))
 #define	__FD_ZERO(set)	\
-  ((void) memset ((__ptr_t) (set), 0, sizeof (__kernel_fd_set)))
+  ((void) memset ((void *) (set), 0, sizeof (__kernel_fd_set)))
 
 #else /* __GNUC__ */