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media: davinci: vpif_capture: add NULL check on devm_kzalloc return value
authorGustavo A. R. Silva <garsilva@embeddedor.com>
Thu, 23 Nov 2017 03:34:44 +0000 (22:34 -0500)
committerMauro Carvalho Chehab <mchehab@s-opensource.com>
Fri, 8 Dec 2017 16:15:41 +0000 (11:15 -0500)
commit5a18c2434f8bfc8bc2fb0f8af3e44f7408d63e4f
tree1421b4340a43bf03257ab5ebc43fcb605d7bb2bb
parent20772c1a6f0e03d4231e2b539863987fa0c94e89
media: davinci: vpif_capture: add NULL check on devm_kzalloc return value

Check return value from call to devm_kzalloc() in order to prevent
a NULL pointer dereference.

This issue was detected with the help of Coccinelle.

Fixes: 4a5f8ae50b66 ("[media] davinci: vpif_capture: get subdevs from DT when available")

Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
drivers/media/platform/davinci/vpif_capture.c