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| author | Pawan Kumar <pavaku@codeaurora.org> | 2013-10-31 16:19:44 +0530 |
|---|---|---|
| committer | Simon Shields <keepcalm444@gmail.com> | 2016-12-13 00:14:53 +1100 |
| commit | b4331df968b885b4df986753ae2361f47d09589c (patch) | |
| tree | 9921fba4c02b616977b63d72537227a36b2b5fb4 /drivers/video/fbmem.c | |
| parent | d7764316afed610cd1ce62a6f01ae465367bbf0a (diff) | |
| download | kernel_samsung_smdk4412-b4331df968b885b4df986753ae2361f47d09589c.zip kernel_samsung_smdk4412-b4331df968b885b4df986753ae2361f47d09589c.tar.gz kernel_samsung_smdk4412-b4331df968b885b4df986753ae2361f47d09589c.tar.bz2 | |
fbmem: Check failure of FBIOPUTCMAP ioctl
On FBIOPUTCMAP ioctl failure deallocate
fb cmap. Put null check for cmap red, green,
blue component.
Change-Id: I10468ee30d0e76c256cf3d7a6ffe14db7fd4511b
Signed-off-by: Pawan Kumar <pavaku@codeaurora.org>
Diffstat (limited to 'drivers/video/fbmem.c')
| -rw-r--r-- | drivers/video/fbmem.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c index fcc52d4..4716e62 100644 --- a/drivers/video/fbmem.c +++ b/drivers/video/fbmem.c @@ -1108,6 +1108,10 @@ static long do_fb_ioctl(struct fb_info *info, unsigned int cmd, if (copy_from_user(&cmap, argp, sizeof(cmap))) return -EFAULT; ret = fb_set_user_cmap(&cmap, info); + if (ret) { + if (info) + fb_dealloc_cmap(&info->cmap); + } break; case FBIOGETCMAP: if (copy_from_user(&cmap, argp, sizeof(cmap))) |