[PATCH] fbdev: Sanitize ->fb_mmap prototype

No need for a file argument.  If we'd really need it it's in vma->vm_file
already.  gbefb and sgivwfb used to set vma->vm_file to the file argument, but
the kernel alrady did that.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Antonino Daplas <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

22 files changed, 35 insertions, 39 deletions

diff --git a/drivers/video/68328fb.c b/drivers/video/68328fb.c
index 3b0ddc55236b..78488bb41aeb 100644
--- a/drivers/video/68328fb.c
+++ b/drivers/video/68328fb.c
@@ -102,8 +102,7 @@ static int mc68x328fb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
                          u_int transp, struct fb_info *info);
 static int mc68x328fb_pan_display(struct fb_var_screeninfo *var,
                            struct fb_info *info);
-static int mc68x328fb_mmap(struct fb_info *info, struct file *file,
-                    struct vm_area_struct *vma);
+static int mc68x328fb_mmap(struct fb_info *info, struct vm_area_struct *vma);
 
 static struct fb_ops mc68x328fb_ops = {
         .fb_check_var   = mc68x328fb_check_var,
@@ -398,8 +397,7 @@ static int mc68x328fb_pan_display(struct fb_var_screeninfo *var,
      *  Most drivers don't need their own mmap function 
      */
 
-static int mc68x328fb_mmap(struct fb_info *info, struct file *file,
-                    struct vm_area_struct *vma)
+static int mc68x328fb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
 #ifndef MMU
         /* this is uClinux (no MMU) specific code */
diff --git a/drivers/video/acornfb.c b/drivers/video/acornfb.c
index 750cebb18306..b058273527bb 100644
--- a/drivers/video/acornfb.c
+++ b/drivers/video/acornfb.c
@@ -883,7 +883,7 @@ acornfb_pan_display(struct fb_var_screeninfo *var, struct fb_info *info)
  * Note that we are entered with the kernel locked.
  */
 static int
-acornfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+acornfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         unsigned long off, start;
         u32 len;
diff --git a/drivers/video/amba-clcd.c b/drivers/video/amba-clcd.c
index 0da4083ba908..b2187175d03f 100644
--- a/drivers/video/amba-clcd.c
+++ b/drivers/video/amba-clcd.c
@@ -307,7 +307,7 @@ static int clcdfb_blank(int blank_mode, struct fb_info *info)
         return 0;
 }
 
-static int clcdfb_mmap(struct fb_info *info, struct file *file,
+static int clcdfb_mmap(struct fb_info *info,
                        struct vm_area_struct *vma)
 {
         struct clcd_fb *fb = to_clcd(info);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 75b463ad4c75..485be386a8ff 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -243,7 +243,7 @@ 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);
 #ifdef __sparc__
-static int atyfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
+static int atyfb_mmap(struct fb_info *info, struct vm_area_struct *vma);
 #endif
 static int atyfb_sync(struct fb_info *info);
 
@@ -1843,7 +1843,7 @@ static int atyfb_sync(struct fb_info *info)
 }
 
 #ifdef __sparc__
-static int atyfb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int atyfb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct atyfb_par *par = (struct atyfb_par *) info->par;
         unsigned int size, page, map_size = 0;
diff --git a/drivers/video/au1100fb.c b/drivers/video/au1100fb.c
index a5129806172f..2406899f1207 100644
--- a/drivers/video/au1100fb.c
+++ b/drivers/video/au1100fb.c
@@ -379,7 +379,7 @@ void au1100fb_fb_rotate(struct fb_info *fbi, int angle)
  * Map video memory in user space. We don't use the generic fb_mmap method mainly
  * to allow the use of the TLB streaming flag (CCA=6)
  */
-int au1100fb_fb_mmap(struct fb_info *fbi, struct file *file, struct vm_area_struct *vma)
+int au1100fb_fb_mmap(struct fb_info *fbi, struct vm_area_struct *vma)
 {
         struct au1100fb_device *fbdev = to_au1100fb_device(fbi);
         unsigned int len;
diff --git a/drivers/video/bw2.c b/drivers/video/bw2.c
index 641a6c1fbf22..c029db4646f6 100644
--- a/drivers/video/bw2.c
+++ b/drivers/video/bw2.c
@@ -35,7 +35,7 @@
 
 static int bw2_blank(int, struct fb_info *);
 
-static int bw2_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
+static int bw2_mmap(struct fb_info *, struct vm_area_struct *);
 static int bw2_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
@@ -168,7 +168,7 @@ static struct sbus_mmap_map bw2_mmap_map[] = {
         { .size = 0 }
 };
 
-static int bw2_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int bw2_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct bw2_par *par = (struct bw2_par *)info->par;
 
diff --git a/drivers/video/cg14.c b/drivers/video/cg14.c
index edb9936673c8..63b6c79c8a0a 100644
--- a/drivers/video/cg14.c
+++ b/drivers/video/cg14.c
@@ -31,7 +31,7 @@
 static int cg14_setcolreg(unsigned, unsigned, unsigned, unsigned,
                          unsigned, struct fb_info *);
 
-static int cg14_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
+static int cg14_mmap(struct fb_info *, struct vm_area_struct *);
 static int cg14_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int cg14_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
@@ -267,7 +267,7 @@ static int cg14_setcolreg(unsigned regno,
         return 0;
 }
 
-static int cg14_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int cg14_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct cg14_par *par = (struct cg14_par *) info->par;
 
diff --git a/drivers/video/cg3.c b/drivers/video/cg3.c
index 027f707fa5db..3de6e1b5ab2f 100644
--- a/drivers/video/cg3.c
+++ b/drivers/video/cg3.c
@@ -33,7 +33,7 @@ static int cg3_setcolreg(unsigned, unsigned, unsigned, unsigned,
                          unsigned, struct fb_info *);
 static int cg3_blank(int, struct fb_info *);
 
-static int cg3_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
+static int cg3_mmap(struct fb_info *, struct vm_area_struct *);
 static int cg3_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
@@ -229,7 +229,7 @@ static struct sbus_mmap_map cg3_mmap_map[] = {
         { .size = 0 }
 };
 
-static int cg3_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int cg3_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct cg3_par *par = (struct cg3_par *)info->par;
 
diff --git a/drivers/video/cg6.c b/drivers/video/cg6.c
index 678e335d2b0f..7aab91ead681 100644
--- a/drivers/video/cg6.c
+++ b/drivers/video/cg6.c
@@ -36,7 +36,7 @@ static int cg6_blank(int, struct fb_info *);
 static void cg6_imageblit(struct fb_info *, const struct fb_image *);
 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_mmap(struct fb_info *, struct vm_area_struct *);
 static int cg6_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
@@ -523,7 +523,7 @@ static struct sbus_mmap_map cg6_mmap_map[] = {
         { .size = 0 }
 };
 
-static int cg6_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int cg6_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct cg6_par *par = (struct cg6_par *)info->par;
 
diff --git a/drivers/video/controlfb.c b/drivers/video/controlfb.c
index 03798e9c882d..655301a8671c 100644
--- a/drivers/video/controlfb.c
+++ b/drivers/video/controlfb.c
@@ -128,7 +128,7 @@ static int controlfb_pan_display(struct fb_var_screeninfo *var,
 static int controlfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
         u_int transp, struct fb_info *info);
 static int controlfb_blank(int blank_mode, struct fb_info *info);
-static int controlfb_mmap(struct fb_info *info, struct file *file,
+static int controlfb_mmap(struct fb_info *info,
         struct vm_area_struct *vma);
 static int controlfb_set_par (struct fb_info *info);
 static int controlfb_check_var (struct fb_var_screeninfo *var, struct fb_info *info);
@@ -280,7 +280,7 @@ static int controlfb_pan_display(struct fb_var_screeninfo *var,
  * for controlfb.
  * Note there's no locking in here; it's done in fb_mmap() in fbmem.c.
  */
-static int controlfb_mmap(struct fb_info *info, struct file *file,
+static int controlfb_mmap(struct fb_info *info,
                        struct vm_area_struct *vma)
 {
        unsigned long off, start;
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 80c16fb61e1c..d2dede6ed3e5 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1135,7 +1135,7 @@ fb_mmap(struct file *file, struct vm_area_struct * vma)
         if (fb->fb_mmap) {
                 int res;
                 lock_kernel();
-                res = fb->fb_mmap(info, file, vma);
+                res = fb->fb_mmap(info, vma);
                 unlock_kernel();
                 return res;
         }
diff --git a/drivers/video/ffb.c b/drivers/video/ffb.c
index d096c129d20b..9c9b21d469a1 100644
--- a/drivers/video/ffb.c
+++ b/drivers/video/ffb.c
@@ -37,7 +37,7 @@ static void ffb_imageblit(struct fb_info *, const struct fb_image *);
 static void ffb_fillrect(struct fb_info *, const struct fb_fillrect *);
 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_mmap(struct fb_info *, struct vm_area_struct *);
 static int ffb_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int ffb_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
@@ -838,7 +838,7 @@ static struct sbus_mmap_map ffb_mmap_map[] = {
         { .size = 0 }
 };
 
-static int ffb_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int ffb_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct ffb_par *par = (struct ffb_par *)info->par;
 
diff --git a/drivers/video/gbefb.c b/drivers/video/gbefb.c
index d744c51807b7..38d22729b129 100644
--- a/drivers/video/gbefb.c
+++ b/drivers/video/gbefb.c
@@ -979,7 +979,7 @@ static int gbefb_check_var(struct fb_var_screeninfo *var, struct fb_info *info)
         return 0;
 }
 
-static int gbefb_mmap(struct fb_info *info, struct file *file,
+static int gbefb_mmap(struct fb_info *info,
                         struct vm_area_struct *vma)
 {
         unsigned long size = vma->vm_end - vma->vm_start;
@@ -1000,7 +1000,6 @@ static int gbefb_mmap(struct fb_info *info, struct file *file,
                 pgprot_fb(pgprot_val(vma->vm_page_prot));
 
         vma->vm_flags |= VM_IO | VM_RESERVED;
-        vma->vm_file = file;
 
         /* look for the starting tile */
         tile = &gbe_tiles.cpu[offset >> TILE_SHIFT];
diff --git a/drivers/video/igafb.c b/drivers/video/igafb.c
index e326f44f652d..6b88050d21bf 100644
--- a/drivers/video/igafb.c
+++ b/drivers/video/igafb.c
@@ -219,7 +219,7 @@ static void iga_blank_border(struct iga_par *par)
 }
 
 #ifdef __sparc__
-static int igafb_mmap(struct fb_info *info, struct file *file,
+static int igafb_mmap(struct fb_info *info,
                       struct vm_area_struct *vma)
 {
         struct iga_par *par = (struct iga_par *)info->par;
diff --git a/drivers/video/leo.c b/drivers/video/leo.c
index fb14787e13b9..a23cfdb9d826 100644
--- a/drivers/video/leo.c
+++ b/drivers/video/leo.c
@@ -32,7 +32,7 @@ static int leo_setcolreg(unsigned, unsigned, unsigned, unsigned,
                          unsigned, struct fb_info *);
 static int leo_blank(int, struct fb_info *);
 
-static int leo_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
+static int leo_mmap(struct fb_info *, struct vm_area_struct *);
 static int leo_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int leo_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
@@ -362,7 +362,7 @@ static struct sbus_mmap_map leo_mmap_map[] = {
         { .size = 0 }
 };
 
-static int leo_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int leo_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct leo_par *par = (struct leo_par *)info->par;
 
diff --git a/drivers/video/p9100.c b/drivers/video/p9100.c
index a1025e9606f1..0d1957505359 100644
--- a/drivers/video/p9100.c
+++ b/drivers/video/p9100.c
@@ -31,7 +31,7 @@ static int p9100_setcolreg(unsigned, unsigned, unsigned, unsigned,
                            unsigned, struct fb_info *);
 static int p9100_blank(int, struct fb_info *);
 
-static int p9100_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
+static int p9100_mmap(struct fb_info *, struct vm_area_struct *);
 static int p9100_ioctl(struct fb_info *, unsigned int, unsigned long);
 
 /*
@@ -221,7 +221,7 @@ static struct sbus_mmap_map p9100_mmap_map[] = {
         { 0,                    0,              0                   }
 };
 
-static int p9100_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int p9100_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct p9100_par *par = (struct p9100_par *)info->par;
 
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 9fc10b9e6f57..53ad61f1038c 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -395,7 +395,7 @@ static int pxafb_blank(int blank, struct fb_info *info)
         return 0;
 }
 
-static int pxafb_mmap(struct fb_info *info, struct file *file,
+static int pxafb_mmap(struct fb_info *info,
                       struct vm_area_struct *vma)
 {
         struct pxafb_info *fbi = (struct pxafb_info *)info;
diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c
index 087e58689e4c..8a893ce7040d 100644
--- a/drivers/video/sa1100fb.c
+++ b/drivers/video/sa1100fb.c
@@ -815,7 +815,7 @@ static int sa1100fb_blank(int blank, struct fb_info *info)
         return 0;
 }
 
-static int sa1100fb_mmap(struct fb_info *info, struct file *file,
+static int sa1100fb_mmap(struct fb_info *info,
                          struct vm_area_struct *vma)
 {
         struct sa1100fb_info *fbi = (struct sa1100fb_info *)info;
diff --git a/drivers/video/sgivwfb.c b/drivers/video/sgivwfb.c
index 7054660767e4..2e6df1fcb2b9 100644
--- a/drivers/video/sgivwfb.c
+++ b/drivers/video/sgivwfb.c
@@ -115,7 +115,7 @@ static int sgivwfb_set_par(struct fb_info *info);
 static int sgivwfb_setcolreg(u_int regno, u_int red, u_int green,
                              u_int blue, u_int transp,
                              struct fb_info *info);
-static int sgivwfb_mmap(struct fb_info *info, struct file *file,
+static int sgivwfb_mmap(struct fb_info *info,
                         struct vm_area_struct *vma);
 
 static struct fb_ops sgivwfb_ops = {
@@ -706,7 +706,7 @@ static int sgivwfb_setcolreg(u_int regno, u_int red, u_int green,
         return 0;
 }
 
-static int sgivwfb_mmap(struct fb_info *info, struct file *file,
+static int sgivwfb_mmap(struct fb_info *info,
                         struct vm_area_struct *vma)
 {
         unsigned long size = vma->vm_end - vma->vm_start;
@@ -723,7 +723,6 @@ static int sgivwfb_mmap(struct fb_info *info, struct file *file,
         if (remap_pfn_range(vma, vma->vm_start, offset >> PAGE_SHIFT,
                                                 size, vma->vm_page_prot))
                 return -EAGAIN;
-        vma->vm_file = file;
         printk(KERN_DEBUG "sgivwfb: mmap framebuffer P(%lx)->V(%lx)\n",
                offset, vma->vm_start);
         return 0;
diff --git a/drivers/video/tcx.c b/drivers/video/tcx.c
index cb940771ec58..95b918229d9b 100644
--- a/drivers/video/tcx.c
+++ b/drivers/video/tcx.c
@@ -33,7 +33,7 @@ static int tcx_setcolreg(unsigned, unsigned, unsigned, unsigned,
                          unsigned, struct fb_info *);
 static int tcx_blank(int, struct fb_info *);
 
-static int tcx_mmap(struct fb_info *, struct file *, struct vm_area_struct *);
+static int tcx_mmap(struct fb_info *, struct vm_area_struct *);
 static int tcx_ioctl(struct fb_info *, unsigned int, unsigned long);
 static int tcx_pan_display(struct fb_var_screeninfo *, struct fb_info *);
 
@@ -301,7 +301,7 @@ static struct sbus_mmap_map __tcx_mmap_map[TCX_MMAP_ENTRIES] = {
         { .size = 0 }
 };
 
-static int tcx_mmap(struct fb_info *info, struct file *file, struct vm_area_struct *vma)
+static int tcx_mmap(struct fb_info *info, struct vm_area_struct *vma)
 {
         struct tcx_par *par = (struct tcx_par *)info->par;
 
diff --git a/drivers/video/vfb.c b/drivers/video/vfb.c
index ffa1ad474226..53208cb58396 100644
--- a/drivers/video/vfb.c
+++ b/drivers/video/vfb.c
@@ -81,7 +81,7 @@ static int vfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue,
                          u_int transp, struct fb_info *info);
 static int vfb_pan_display(struct fb_var_screeninfo *var,
                            struct fb_info *info);
-static int vfb_mmap(struct fb_info *info, struct file *file,
+static int vfb_mmap(struct fb_info *info,
                     struct vm_area_struct *vma);
 
 static struct fb_ops vfb_ops = {
@@ -368,7 +368,7 @@ static int vfb_pan_display(struct fb_var_screeninfo *var,
      *  Most drivers don't need their own mmap function 
      */
 
-static int vfb_mmap(struct fb_info *info, struct file *file,
+static int vfb_mmap(struct fb_info *info,
                     struct vm_area_struct *vma)
 {
         return -EINVAL;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 6da8a80a2662..2cb19e6503aa 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -616,7 +616,7 @@ struct fb_ops {
                         unsigned long arg);
 
         /* perform fb specific mmap */
-        int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
+        int (*fb_mmap)(struct fb_info *info, struct vm_area_struct *vma);
 
         /* save current hardware state */
         void (*fb_save_state)(struct fb_info *info);