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drm/sti: sti_vtg: Handle return NULL error from devm_ioremap_nocache
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Wed, 21 Dec 2016 05:30:12 +0000 (11:00 +0530)
committerVincent Abriou <vincent.abriou@st.com>
Fri, 6 Jan 2017 14:12:03 +0000 (15:12 +0100)
commit1ae0d5af347df224a6e76334683f13a96d915a44
tree01a29e9f8673a6341a2bb8072872295c6c953e1etree | snapshot (tar.gz zip)
parent6d10c54a83e214348a2f4d59b103047dc230343ccommit | diff
drm/sti: sti_vtg: Handle return NULL error from devm_ioremap_nocache

Here, If devm_ioremap_nocache 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: Vincent Abriou <vincent.abriou@st.com>
drivers/gpu/drm/sti/sti_vtg.c diff | blob | blame | history