diff options
| author | Frederic Weisbecker <fweisbec@gmail.com> | 2013-05-02 19:37:49 +0400 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2013-05-02 19:54:19 +0400 |
| commit | c032862fba51a3ca504752d3a25186b324c5ce83 (patch) | |
| tree | 955dc2ba4ab3df76ecc2bb780ee84aca04967e8d /drivers/video/smscufx.c | |
| parent | fda76e074c7737fc57855dd17c762e50ed526052 (diff) | |
| parent | 8700c95adb033843fc163d112b9d21d4fda78018 (diff) | |
| download | linux-c032862fba51a3ca504752d3a25186b324c5ce83.tar.xz | |
Merge commit '8700c95adb03' into timers/nohz
The full dynticks tree needs the latest RCU and sched
upstream updates in order to fix some dependencies.
Merge a common upstream merge point that has these
updates.
Conflicts:
include/linux/perf_event.h
kernel/rcutree.h
kernel/rcutree_plugin.h
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Diffstat (limited to 'drivers/video/smscufx.c')
| -rw-r--r-- | drivers/video/smscufx.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/video/smscufx.c b/drivers/video/smscufx.c index 97bd6620c364..b2b33fc1ac3f 100644 --- a/drivers/video/smscufx.c +++ b/drivers/video/smscufx.c @@ -782,7 +782,11 @@ static int ufx_ops_mmap(struct fb_info *info, struct vm_area_struct *vma) unsigned long offset = vma->vm_pgoff << PAGE_SHIFT; unsigned long page, pos; - if (offset + size > info->fix.smem_len) + if (vma->vm_pgoff > (~0UL >> PAGE_SHIFT)) + return -EINVAL; + if (size > info->fix.smem_len) + return -EINVAL; + if (offset > info->fix.smem_len - size) return -EINVAL; pos = (unsigned long)info->fix.smem_start + offset; |