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authorIngo Molnar <mingo@kernel.org>2018-11-03 23:42:16 +0100
committerIngo Molnar <mingo@kernel.org>2018-11-03 23:42:16 +0100
commit23a12ddee1ce28065b71f14ccc695b5a0c8a64ff (patch)
treecedaa1cde5b2557116e523c31552187804704093 /drivers/video/fbdev/sbuslib.c
parentcompat: Cleanup in_compat_syscall() callers (diff)
parentobjtool: Support GCC 9 cold subfunction naming scheme (diff)
downloadlinux-dev-23a12ddee1ce28065b71f14ccc695b5a0c8a64ff.tar.xz
linux-dev-23a12ddee1ce28065b71f14ccc695b5a0c8a64ff.zip
Merge branch 'core/urgent' into x86/urgent, to pick up objtool fix
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/video/fbdev/sbuslib.c')
-rw-r--r--drivers/video/fbdev/sbuslib.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/drivers/video/fbdev/sbuslib.c b/drivers/video/fbdev/sbuslib.c
index a436d44f1b7f..01a7110e61a7 100644
--- a/drivers/video/fbdev/sbuslib.c
+++ b/drivers/video/fbdev/sbuslib.c
@@ -106,11 +106,11 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
struct fbtype __user *f = (struct fbtype __user *) arg;
if (put_user(type, &f->fb_type) ||
- __put_user(info->var.yres, &f->fb_height) ||
- __put_user(info->var.xres, &f->fb_width) ||
- __put_user(fb_depth, &f->fb_depth) ||
- __put_user(0, &f->fb_cmsize) ||
- __put_user(fb_size, &f->fb_cmsize))
+ put_user(info->var.yres, &f->fb_height) ||
+ put_user(info->var.xres, &f->fb_width) ||
+ put_user(fb_depth, &f->fb_depth) ||
+ put_user(0, &f->fb_cmsize) ||
+ put_user(fb_size, &f->fb_cmsize))
return -EFAULT;
return 0;
}
@@ -125,10 +125,10 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
unsigned int index, count, i;
if (get_user(index, &c->index) ||
- __get_user(count, &c->count) ||
- __get_user(ured, &c->red) ||
- __get_user(ugreen, &c->green) ||
- __get_user(ublue, &c->blue))
+ get_user(count, &c->count) ||
+ get_user(ured, &c->red) ||
+ get_user(ugreen, &c->green) ||
+ get_user(ublue, &c->blue))
return -EFAULT;
cmap.len = 1;
@@ -165,13 +165,13 @@ int sbusfb_ioctl_helper(unsigned long cmd, unsigned long arg,
u8 red, green, blue;
if (get_user(index, &c->index) ||
- __get_user(count, &c->count) ||
- __get_user(ured, &c->red) ||
- __get_user(ugreen, &c->green) ||
- __get_user(ublue, &c->blue))
+ get_user(count, &c->count) ||
+ get_user(ured, &c->red) ||
+ get_user(ugreen, &c->green) ||
+ get_user(ublue, &c->blue))
return -EFAULT;
- if (index + count > cmap->len)
+ if (index > cmap->len || count > cmap->len - index)
return -EINVAL;
for (i = 0; i < count; i++) {