long vs. unsigned long - low-hanging fruits in drivers

deal with signedness of the stuff passed to set_bit() et.al.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/x86/kernel/scx200_32.c

@@ -24,7 +24,7 @@ MODULE_DESCRIPTION("NatSemi SCx200 Driver");
 MODULE_LICENSE("GPL");
 
 unsigned scx200_gpio_base = 0;
-long scx200_gpio_shadow[2];
+unsigned long scx200_gpio_shadow[2];
 
 unsigned scx200_cb_base = 0;
 

drivers/atm/ambassador.h

@@ -626,7 +626,7 @@ typedef struct {
 
 struct amb_dev {
   u8               irq;
-  long		   flags;
+  unsigned long	   flags;
   u32              iobase;
   u32 *            membase;
 

drivers/atm/horizon.h

@@ -423,7 +423,7 @@ struct hrz_dev {
   wait_queue_head_t   tx_queue;
 
   u8                  irq;
-  long		      flags;
+  unsigned long	      flags;
   u8                  tx_last;
   u8                  tx_idle;
 

drivers/char/dsp56k.c

@@ -136,7 +136,7 @@ static int sizeof_bootstrap = 375;
 
 
 static struct dsp56k_device {
-	long in_use;
+	unsigned long in_use;
 	long maxio, timeout;
 	int tx_wsize, rx_wsize;
 } dsp56k;

drivers/char/rio/host.h

@@ -99,7 +99,7 @@ struct Host {
 	struct UnixRup UnixRups[MAX_RUP + LINKS_PER_UNIT];
 	int timeout_id;				/* For calling 100 ms delays */
 	int timeout_sem;			/* For calling 100 ms delays */
-	long locks;				/* long req'd for set_bit --RR */
+	unsigned long locks;			/* long req'd for set_bit --RR */
 	char ____end_marker____;
 };
 #define Control      CardP->DpControl

drivers/char/riscom8.h

@@ -71,7 +71,7 @@ struct riscom_port {
 	struct tty_struct 	* tty;
 	int			count;
 	int			blocked_open;
-	long			event; /* long req'd for set_bit --RR */
+	unsigned long		event; /* long req'd for set_bit --RR */
 	int			timeout;
 	int			close_delay;
 	unsigned char 		* xmit_buf;

drivers/char/sx.h

@@ -27,7 +27,7 @@ struct sx_port {
   int                     c_dcd;
   struct sx_board         *board;
   int                     line;
-  long                    locks;
+  unsigned long           locks;
 };
 
 struct sx_board {
@@ -45,7 +45,7 @@ struct sx_board {
   int poll;
   int ta_type;
   struct timer_list       timer;
-  long                    locks;
+  unsigned long           locks;
 };
 
 struct vpd_prom {

drivers/fc4/fcp_impl.h

@@ -91,7 +91,7 @@ typedef struct _fc_channel {
 	fcp_cmd			*scsi_cmd_pool;
 	char			*scsi_rsp_pool;
 	dma_addr_t		dma_scsi_cmd, dma_scsi_rsp;
-	long			*scsi_bitmap;
+	unsigned long		*scsi_bitmap;
 	long			scsi_bitmap_end;
 	int			scsi_free;
 	int			(*encode_addr)(struct scsi_cmnd *, u16 *, struct _fc_channel *, fcp_cmnd *);

drivers/isdn/hisax/hisax.h

@@ -202,7 +202,7 @@ struct Layer1 {
 	void *hardware;
 	struct BCState *bcs;
 	struct PStack **stlistp;
-	long Flags;
+	unsigned long Flags;
 	struct FsmInst l1m;
 	struct FsmTimer	timer;
 	void (*l1l2) (struct PStack *, int, void *);

drivers/isdn/hisax/hisax_if.h

@@ -56,7 +56,7 @@ struct hisax_d_if {
 	struct IsdnCardState *cs;
 	struct hisax_b_if *b_if[2];
 	struct sk_buff_head erq;
-	long ph_state;
+	unsigned long ph_state;
 };
 
 int hisax_register(struct hisax_d_if *hisax_if, struct hisax_b_if *b_if[],

drivers/net/ni65.c

@@ -183,7 +183,7 @@ static struct card {
 	short addr_offset;
 	unsigned char *vendor_id;
 	char *cardname;
-	long config;
+	unsigned long config;
 } cards[] = {
 	{
 		.id0	     = NI65_ID0,

drivers/net/wan/cosa.c

@@ -154,8 +154,8 @@ struct cosa_data {
 	int nchannels;			/* # of channels on this card */
 	int driver_status;		/* For communicating with firmware */
 	int firmware_status;		/* Downloaded, reseted, etc. */
-	long int rxbitmap, txbitmap;	/* Bitmap of channels who are willing to send/receive data */
-	long int rxtx;			/* RX or TX in progress? */
+	unsigned long rxbitmap, txbitmap;/* Bitmap of channels who are willing to send/receive data */
+	unsigned long rxtx;		/* RX or TX in progress? */
 	int enabled;
 	int usage;				/* usage count */
 	int txchan, txsize, rxsize;

drivers/net/wireless/hostap/hostap_wlan.h

@@ -661,7 +661,7 @@ struct local_info {
 #define HOSTAP_BITS_TRANSMIT 0
 #define HOSTAP_BITS_BAP_TASKLET 1
 #define HOSTAP_BITS_BAP_TASKLET2 2
-	long bits;
+	unsigned long bits;
 
 	struct ap_data *ap;
 

drivers/net/wireless/ray_cs.h

@@ -33,8 +33,8 @@ typedef struct ray_dev_t {
     void __iomem *rmem;            /* pointer to receive buffer window       */
     struct pcmcia_device *finder;            /* pointer back to struct pcmcia_device for card    */
     struct timer_list timer;
-    long tx_ccs_lock;
-    long ccs_lock;
+    unsigned long tx_ccs_lock;
+    unsigned long ccs_lock;
     int   dl_param_ccs;
     union {
         struct b4_startup_params b4;

include/linux/agpgart.h

@@ -197,7 +197,7 @@ struct agp_file_private {
 	struct agp_file_private *next;
 	struct agp_file_private *prev;
 	pid_t my_pid;
-	long access_flags;	/* long req'd for set_bit --RR */
+	unsigned long access_flags;	/* long req'd for set_bit --RR */
 };
 
 struct agp_front_data {

include/linux/hdlcdrv.h

@@ -200,7 +200,7 @@ struct hdlcdrv_state {
 
 	struct hdlcdrv_hdlcrx {
 		struct hdlcdrv_hdlcbuffer hbuf;
-		long in_hdlc_rx;
+		unsigned long in_hdlc_rx;
 		/* 0 = sync hunt, != 0 receiving */
 		int rx_state;	
 		unsigned int bitstream;

include/linux/scx200_gpio.h

 u32 scx200_gpio_configure(unsigned index, u32 set, u32 clear);
 
 extern unsigned scx200_gpio_base;
-extern long scx200_gpio_shadow[2];
+extern unsigned long scx200_gpio_shadow[2];
 extern struct nsc_gpio_ops scx200_gpio_ops;
 
 #define scx200_gpio_present() (scx200_gpio_base!=0)
@@ -9,7 +9,7 @@ extern struct nsc_gpio_ops scx200_gpio_ops;
 /* Definitions to make sure I do the same thing in all functions */
 #define __SCx200_GPIO_BANK unsigned bank = index>>5
 #define __SCx200_GPIO_IOADDR unsigned short ioaddr = scx200_gpio_base+0x10*bank
-#define __SCx200_GPIO_SHADOW long *shadow = scx200_gpio_shadow+bank
+#define __SCx200_GPIO_SHADOW unsigned long *shadow = scx200_gpio_shadow+bank
 #define __SCx200_GPIO_INDEX index &= 31
 
 #define __SCx200_GPIO_OUT __asm__ __volatile__("outsl":"=mS" (shadow):"d" (ioaddr), "0" (shadow))
@@ -42,7 +42,7 @@ static inline void scx200_gpio_set_high(unsigned index) {
 	__SCx200_GPIO_IOADDR;
 	__SCx200_GPIO_SHADOW;
 	__SCx200_GPIO_INDEX;
-	set_bit(index, shadow);
+	set_bit(index, shadow);	/* __set_bit()? */
 	__SCx200_GPIO_OUT;
 }
 
@@ -53,7 +53,7 @@ static inline void scx200_gpio_set_low(unsigned index) {
 	__SCx200_GPIO_IOADDR;
 	__SCx200_GPIO_SHADOW;
 	__SCx200_GPIO_INDEX;
-	clear_bit(index, shadow);
+	clear_bit(index, shadow); /* __clear_bit()? */
 	__SCx200_GPIO_OUT;
 }
 

include/linux/stallion.h

@@ -75,7 +75,7 @@ struct stlport {
 	int			ioaddr;
 	int			uartaddr;
 	unsigned int		pagenr;
-	long			istate;
+	unsigned long		istate;
 	int			flags;
 	int			baud_base;
 	int			custom_divisor;

sound/pci/bt87x.c

@@ -157,7 +157,7 @@ struct snd_bt87x {
 	int dig_rate;
 
 	spinlock_t reg_lock;
-	long opened;
+	unsigned long opened;
 	struct snd_pcm_substream *substream;
 
 	struct snd_dma_buffer dma_risc;