[PATCH] fbdev: Sanitize ->fb_ioctl prototype

The ioctl and file arguments to ->fb_mmap are totally unused and there's not
reason a driver should need them.

Also update the ->fb_compat_ioctl prototype to be the same as ->fb_mmap.

Signed-off-by: Antonino Daplas <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/video/amifb.c

···
 			   const struct fb_copyarea *region);
 static void amifb_imageblit(struct fb_info *info,
 			    const struct fb_image *image);
-static int amifb_ioctl(struct inode *inode, struct file *file,
-		       unsigned int cmd, unsigned long arg,
-		       struct fb_info *info);
+static int amifb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg);
 
 
 	/*
···
 	 * Amiga Frame Buffer Specific ioctls
 	 */
 
-static int amifb_ioctl(struct inode *inode, struct file *file,
-		       unsigned int cmd, unsigned long arg,
-		       struct fb_info *info)
+static int amifb_ioctl(struct fb_info *info,
+		       unsigned int cmd, unsigned long arg)
 {
 	union {
 		struct fb_fix_cursorinfo fix;

drivers/video/arcfb.c

···
 				image->height);
 }
 
-static int arcfb_ioctl(struct inode *inode, struct file *file,
-			  unsigned int cmd, unsigned long arg,
-			  struct fb_info *info)
+static int arcfb_ioctl(struct fb_info *info,
+			  unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
 	struct arcfb_par *par = info->par;

drivers/video/atafb.c

···
 }
 
 static int
-atafb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	       unsigned long arg, int con, struct fb_info *info)
+atafb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	switch (cmd) {
 #ifdef FBCMD_GET_CURRENTPAR

drivers/video/aty/aty128fb.c

···
 static int aty128fb_pan_display(struct fb_var_screeninfo *var,
 			   struct fb_info *fb);
 static int aty128fb_blank(int blank, struct fb_info *fb);
-static int aty128fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
-			  u_long arg, struct fb_info *info);
+static int aty128fb_ioctl(struct fb_info *info, u_int cmd, unsigned long arg);
 static int aty128fb_sync(struct fb_info *info);
 
     /*
···
 /* in param: u32*	backlight value: 0 to 15 */
 #define FBIO_ATY128_SET_MIRROR	_IOW('@', 2, __u32)
 
-static int aty128fb_ioctl(struct inode *inode, struct file *file, u_int cmd,
-			  u_long arg, struct fb_info *info)
+static int aty128fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 {
 	struct aty128fb_par *par = info->par;
 	u32 value;

drivers/video/aty/atyfb_base.c

···
 	u_int transp, struct fb_info *info);
 static int atyfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info);
 static int atyfb_blank(int blank, struct fb_info *info);
-static int atyfb_ioctl(struct inode *inode, struct file *file, u_int cmd,
-	u_long arg, struct fb_info *info);
+static int atyfb_ioctl(struct fb_info *info, u_int cmd, u_long arg);
 extern void atyfb_fillrect(struct fb_info *info, const struct fb_fillrect *rect);
 extern void atyfb_copyarea(struct fb_info *info, const struct fb_copyarea *area);
 extern void atyfb_imageblit(struct fb_info *info, const struct fb_image *image);
···
 #define FBIO_WAITFORVSYNC _IOW('F', 0x20, __u32)
 #endif
 
-static int atyfb_ioctl(struct inode *inode, struct file *file, u_int cmd,
-	u_long arg, struct fb_info *info)
+static int atyfb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 {
 	struct atyfb_par *par = (struct atyfb_par *) info->par;
 #ifdef __sparc__

drivers/video/aty/radeon_base.c

···
 }
 
 
-static int radeonfb_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
-                           unsigned long arg, struct fb_info *info)
+static int radeonfb_ioctl (struct fb_info *info, unsigned int cmd,
+                           unsigned long arg)
 {
         struct radeonfb_info *rinfo = info->par;
 	unsigned int tmp;

drivers/video/bw2.c

···
 static int bw2_blank(int, struct fb_info *);
 
 static int bw2_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int bw2_ioctl(struct inode *, struct file *, unsigned int,
-		     unsigned long, struct fb_info *);
+static int bw2_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
  *  Frame buffer operations
···
 				  vma);
 }
 
-static int bw2_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		     unsigned long arg, struct fb_info *info)
+static int bw2_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	struct bw2_par *par = (struct bw2_par *) info->par;
 

drivers/video/cg14.c

···
 			 unsigned, struct fb_info *);
 
 static int cg14_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int cg14_ioctl(struct inode *, struct file *, unsigned int,
-		      unsigned long, struct fb_info *);
+static int cg14_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int cg14_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
 /*
···
 				  par->iospace, vma);
 }
 
-static int cg14_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		      unsigned long arg, struct fb_info *info)
+static int cg14_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	struct cg14_par *par = (struct cg14_par *) info->par;
 	struct cg14_regs __iomem *regs = par->regs;

drivers/video/cg3.c

···
 static int cg3_blank(int, struct fb_info *);
 
 static int cg3_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int cg3_ioctl(struct inode *, struct file *, unsigned int,
-		     unsigned long, struct fb_info *);
+static int cg3_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
  *  Frame buffer operations
···
 				  vma);
 }
 
-static int cg3_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		     unsigned long arg, struct fb_info *info)
+static int cg3_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	struct cg3_par *par = (struct cg3_par *) info->par;
 

drivers/video/cg6.c

···
 static void cg6_fillrect(struct fb_info *, const struct fb_fillrect *);
 static int cg6_sync(struct fb_info *);
 static int cg6_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int cg6_ioctl(struct inode *, struct file *, unsigned int,
-		     unsigned long, struct fb_info *);
+static int cg6_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
  *  Frame buffer operations
···
 				  vma);
 }
 
-static int cg6_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		     unsigned long arg, struct fb_info *info)
+static int cg6_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	struct cg6_par *par = (struct cg6_par *) info->par;
 

drivers/video/fbmem.c

···
 	default:
 		if (fb->fb_ioctl == NULL)
 			return -EINVAL;
-		return fb->fb_ioctl(inode, file, cmd, arg, info);
+		return fb->fb_ioctl(info, cmd, arg);
 	}
 }
 
···
 
 	default:
 		if (fb->fb_compat_ioctl)
-			ret = fb->fb_compat_ioctl(file, cmd, arg, info);
+			ret = fb->fb_compat_ioctl(info, cmd, arg);
 		break;
 	}
 	unlock_kernel();

drivers/video/ffb.c

···
 static void ffb_copyarea(struct fb_info *, const struct fb_copyarea *);
 static int ffb_sync(struct fb_info *);
 static int ffb_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int ffb_ioctl(struct inode *, struct file *, unsigned int,
-		     unsigned long, struct fb_info *);
+static int ffb_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int ffb_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
 /*
···
 				  0, vma);
 }
 
-static int ffb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		     unsigned long arg, struct fb_info *info)
+static int ffb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	struct ffb_par *par = (struct ffb_par *) info->par;
 

drivers/video/imsttfb.c

···
 #define FBIMSTT_GETIDXREG	0x545406
 
 static int
-imsttfb_ioctl(struct inode *inode, struct file *file, u_int cmd,
-	      u_long arg, struct fb_info *info)
+imsttfb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 {
 	struct imstt_par *par = info->par;
 	void __user *argp = (void __user *)arg;

drivers/video/intelfb/intelfbdrv.c

···
 
 static int intelfb_sync(struct fb_info *info);
 
-static int intelfb_ioctl(struct inode *inode, struct file *file,
-			 unsigned int cmd, unsigned long arg,
-			 struct fb_info *info);
+static int intelfb_ioctl(struct fb_info *info,
+			 unsigned int cmd, unsigned long arg);
 
 static int __devinit intelfb_pci_register(struct pci_dev *pdev,
 					  const struct pci_device_id *ent);
···
 
 /* When/if we have our own ioctls. */
 static int
-intelfb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-	      unsigned long arg, struct fb_info *info)
+intelfb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	int retval = 0;
 

drivers/video/kyro/fbdev.c

···
 }
 #endif
 
-static int kyrofb_ioctl(struct inode *inode, struct file *file,
-			unsigned int cmd, unsigned long arg,
-			struct fb_info *info)
+static int kyrofb_ioctl(struct fb_info *info,
+			unsigned int cmd, unsigned long arg)
 {
 	overlay_create ol_create;
 	overlay_viewport_set ol_viewport_set;

drivers/video/leo.c

···
 static int leo_blank(int, struct fb_info *);
 
 static int leo_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int leo_ioctl(struct inode *, struct file *, unsigned int,
-		     unsigned long, struct fb_info *);
+static int leo_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
 /*
···
 				  vma);
 }
 
-static int leo_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		     unsigned long arg, struct fb_info *info)
+static int leo_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg)
 {
 	struct leo_par *par = (struct leo_par *) info->par;
 

drivers/video/matrox/matroxfb_base.c

···
 	.name	 = "Panellink output",
 };
 
-static int matroxfb_ioctl(struct inode *inode, struct file *file,
-			  unsigned int cmd, unsigned long arg,
-			  struct fb_info *info)
+static int matroxfb_ioctl(struct fb_info *info,
+			  unsigned int cmd, unsigned long arg)
 {
 	void __user *argp = (void __user *)arg;
 	MINFO_FROM_INFO(info);

drivers/video/matrox/matroxfb_crtc2.c

···
 	return 0;
 }
 
-static int matroxfb_dh_ioctl(struct inode* inode,
-		struct file* file,
+static int matroxfb_dh_ioctl(struct fb_info *info,
 		unsigned int cmd,
-		unsigned long arg,
-		struct fb_info* info) {
+		unsigned long arg)
+{
 #define m2info (container_of(info, struct matroxfb_dh_fb_info, fbcon))
 	MINFO_FROM(m2info->primary_dev);
 
···
 		case MATROXFB_GET_OUTPUT_MODE:
 		case MATROXFB_GET_ALL_OUTPUTS:
 			{
-				return ACCESS_FBINFO(fbcon.fbops)->fb_ioctl(inode, file, cmd, arg, &ACCESS_FBINFO(fbcon));
+				return ACCESS_FBINFO(fbcon.fbops)->fb_ioctl(&ACCESS_FBINFO(fbcon), cmd, arg);
 			}
 		case MATROXFB_SET_OUTPUT_CONNECTION:
 			{

drivers/video/p9100.c

···
 static int p9100_blank(int, struct fb_info *);
 
 static int p9100_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int p9100_ioctl(struct inode *, struct file *, unsigned int,
-		       unsigned long, struct fb_info *);
+static int p9100_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
  *  Frame buffer operations
···
 				  vma);
 }
 
-static int p9100_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		       unsigned long arg, struct fb_info *info)
+static int p9100_ioctl(struct fb_info *info, unsigned int cmd,
+		       unsigned long arg)
 {
 	struct p9100_par *par = (struct p9100_par *) info->par;
 

drivers/video/pm3fb.c

···
 static void pm3fb_detect(void);
 static int pm3fb_pan_display(const struct fb_var_screeninfo *var,
 			     struct fb_info_gen *info);
-static int pm3fb_ioctl(struct inode *inode, struct file *file,
-                       u_int cmd, u_long arg, int con,
-		       struct fb_info *info);
+static int pm3fb_ioctl(struct fb_info *info, u_int cmd, u_long arg);
 
 
 /* the struct that hold them together */
···
 	return 0;
 }
 
-static int pm3fb_ioctl(struct inode *inode, struct file *file,
-                       u_int cmd, u_long arg, int con,
-		       struct fb_info *info)
+static int pm3fb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 {
 	struct pm3fb_info *l_fb_info = (struct pm3fb_info *) info;
 	u32 cm, i;

drivers/video/pmag-aa-fb.c

···
 		return -EINVAL;
 }
 
-static int aafb_ioctl(struct inode *inode, struct file *file, u32 cmd,
-		      unsigned long arg, int con, struct fb_info *info)
+static int aafb_ioctl(struct fb_info *info, u32 cmd, unsigned long arg)
 {
 	/* TODO: Not yet implemented */
 	return -ENOIOCTLCMD;

drivers/video/radeonfb.c

···
 }
 
 
-static int radeonfb_ioctl (struct inode *inode, struct file *file, unsigned int cmd,
-                           unsigned long arg, struct fb_info *info)
+static int radeonfb_ioctl (struct fb_info *info, unsigned int cmd,
+                           unsigned long arg)
 {
         struct radeonfb_info *rinfo = (struct radeonfb_info *) info;
 	unsigned int tmp;

drivers/video/sis/sis_main.c

···
 
 /* ----------- FBDev related routines for all series ---------- */
 
-static int
-sisfb_ioctl(struct inode *inode, struct file *file,
-            unsigned int cmd, unsigned long arg,
-#if LINUX_VERSION_CODE < KERNEL_VERSION(2,5,0)
-	    int con,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
+static int	sisfb_ioctl(struct fb_info *info, unsigned int cmd,
+			    unsigned long arg)
+#else
+static int	sisfb_ioctl(struct inode *inode, struct file *file,
+				unsigned int cmd, unsigned long arg,
+				struct fb_info *info)
 #endif
-	    struct fb_info *info)
 {
 	struct sis_video_info	*ivideo = (struct sis_video_info *)info->par;
 	struct sis_memreq	sismemreq;
···
 	return 0;
 }
 
-#ifdef SIS_NEW_CONFIG_COMPAT
-static long
-sisfb_compat_ioctl(struct file *f, unsigned int cmd, unsigned long arg, struct fb_info *info)
-{
-	int ret;
-
-	lock_kernel();
-	ret = sisfb_ioctl(NULL, f, cmd, arg, info);
-	unlock_kernel();
-	return ret;
-}
-#endif
-
 static int
 sisfb_get_fix(struct fb_fix_screeninfo *fix, int con, struct fb_info *info)
 {
···
 #endif
 	.fb_sync	= fbcon_sis_sync,
 #ifdef SIS_NEW_CONFIG_COMPAT
-	.fb_compat_ioctl= sisfb_compat_ioctl,
+	.fb_compat_ioctl= sisfb_ioctl,
 #endif
 	.fb_ioctl	= sisfb_ioctl
 };

drivers/video/sis/sis_main.h

···
 #endif
 
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0)
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,15)
+static int	sisfb_ioctl(struct fb_info *info, unsigned int cmd,
+			    unsigned long arg);
+#else
 static int	sisfb_ioctl(struct inode *inode, struct file *file,
 				unsigned int cmd, unsigned long arg,
 				struct fb_info *info);
+#endif
 static int	sisfb_set_par(struct fb_info *info);
 static int	sisfb_blank(int blank,
 				struct fb_info *info);

drivers/video/sstfb.c

···
 	return 0;
 }
 
-static int sstfb_ioctl(struct inode *inode, struct file *file,
-                       u_int cmd, u_long arg, struct fb_info *info )
+static int sstfb_ioctl(struct fb_info *info, u_int cmd, u_long arg)
 {
 	struct sstfb_par *par = info->par;
 	struct pci_dev *sst_dev = par->dev;

drivers/video/tcx.c

···
 static int tcx_blank(int, struct fb_info *);
 
 static int tcx_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
-static int tcx_ioctl(struct inode *, struct file *, unsigned int,
-		     unsigned long, struct fb_info *);
+static int tcx_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int tcx_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
 /*
···
 				  vma);
 }
 
-static int tcx_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
-		     unsigned long arg, struct fb_info *info)
+static int tcx_ioctl(struct fb_info *info, unsigned int cmd,
+		     unsigned long arg)
 {
 	struct tcx_par *par = (struct tcx_par *) info->par;
 

include/linux/fb.h

···
 	int (*fb_sync)(struct fb_info *info);
 
 	/* perform fb specific ioctl (optional) */
-	int (*fb_ioctl)(struct inode *inode, struct file *file, unsigned int cmd,
-			unsigned long arg, struct fb_info *info);
+	int (*fb_ioctl)(struct fb_info *info, unsigned int cmd,
+			unsigned long arg);
 
 	/* Handle 32bit compat ioctl (optional) */
-	long (*fb_compat_ioctl)(struct file *f, unsigned cmd, unsigned long arg,
-			       struct fb_info *info);
+	int (*fb_compat_ioctl)(struct fb_info *info, unsigned cmd,
+			unsigned long arg);
 
 	/* perform fb specific mmap */
 	int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);