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author | Dan Carpenter <dan.carpenter@oracle.com> | 2012-05-14 22:58:37 +0200 |
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committer | Florian Tobias Schandinat <FlorianSchandinat@gmx.de> | 2012-05-29 15:00:03 +0200 |
commit | cc4401142c1cbc63b01d6024cbc7a9f804cb3143 (patch) | |
tree | fd28d49904845d402661bffa0c618e4448529d83 /drivers/video | |
parent | Merge tag 'omapdss-for-3.5' of git://github.com/tomba/linux into fbdev-next (diff) | |
download | linux-cc4401142c1cbc63b01d6024cbc7a9f804cb3143.tar.xz linux-cc4401142c1cbc63b01d6024cbc7a9f804cb3143.zip |
fb: handle NULL pointers in framebuffer release
This function is called with a potential NULL pointer in
picolcd_init_framebuffer() and it causes a static checker warning. This
used to handle NULL pointers when the picolcd code was written, but a
couple months later we added the "info->apertures" dereference.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Diffstat (limited to 'drivers/video')
-rw-r--r-- | drivers/video/fbsysfs.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/video/fbsysfs.c b/drivers/video/fbsysfs.c index 67afa9c2289d..a55e3669d135 100644 --- a/drivers/video/fbsysfs.c +++ b/drivers/video/fbsysfs.c @@ -80,6 +80,8 @@ EXPORT_SYMBOL(framebuffer_alloc); */ void framebuffer_release(struct fb_info *info) { + if (!info) + return; kfree(info->apertures); kfree(info); } |