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video: fbdev: cobalt_lcdfb: Handle return NULL error from devm_ioremap
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Tue, 13 Dec 2016 08:20:52 +0000 (13:50 +0530)
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
Wed, 4 Jan 2017 11:58:45 +0000 (12:58 +0100)
commit3a8119cceaa8a145c9e7f81fb880c1a5df8b4aa9
treefd7dddec731fd05fdf0045cc6dab08f18ccd96batree | snapshot
parent2ff60bc42011241e749ac832394435e17be56193commit | diff
video: fbdev: cobalt_lcdfb: Handle return NULL error from devm_ioremap

Here, If devm_ioremap will fail. It will return NULL.
Kernel can run into a NULL-pointer dereference.
This error check will avoid NULL pointer dereference.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Acked-by: Yoichi Yuasa <yuasa@linux-mips.org>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>
drivers/video/fbdev/cobalt_lcdfb.c diff | blob | history
Linux Kernel Source Tree.