Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 4.14 088/109] media: davinci: vpif_capture: add NULL check on devm_kzalloc return value | Date | Fri, 16 Mar 2018 16:23:57 +0100 |
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4.14-stable review patch. If anyone has any objections, please let me know.
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From: "Gustavo A. R. Silva" <garsilva@embeddedor.com>
[ Upstream commit 5a18c2434f8bfc8bc2fb0f8af3e44f7408d63e4f ]
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> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> --- drivers/media/platform/davinci/vpif_capture.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/media/platform/davinci/vpif_capture.c +++ b/drivers/media/platform/davinci/vpif_capture.c @@ -1545,6 +1545,8 @@ vpif_capture_get_pdata(struct platform_d sizeof(*chan->inputs) * VPIF_CAPTURE_NUM_CHANNELS, GFP_KERNEL); + if (!chan->inputs) + return NULL; chan->input_count++; chan->inputs[i].input.type = V4L2_INPUT_TYPE_CAMERA;
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