diff mbox

davinci: vpif_capture: add NULL check on devm_kzalloc return value

Message ID 20171123033444.GA22637@embeddedor.com (mailing list archive)
State New, archived
Headers show

Commit Message

Gustavo A. R. Silva Nov. 23, 2017, 3:34 a.m. UTC
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>
---
 drivers/media/platform/davinci/vpif_capture.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox

Patch

diff --git a/drivers/media/platform/davinci/vpif_capture.c b/drivers/media/platform/davinci/vpif_capture.c
index a89367a..3879c7c 100644
--- a/drivers/media/platform/davinci/vpif_capture.c
+++ b/drivers/media/platform/davinci/vpif_capture.c
@@ -1550,6 +1550,8 @@  vpif_capture_get_pdata(struct platform_device *pdev)
 					    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;