From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 12 Oct 2019 10:30:21 +0200
The return value from a call of the function “kmemdup” was not checked
in this function implementation. Thus add the corresponding error handling.
Fixes: 19022aaae677dfa171a719e9d1ff04823ce65a65 ("staging: drm/imx: Add parallel display support")
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/imx/parallel-display.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c
index 35518e5de356..39c4798f56b6 100644
--- a/drivers/gpu/drm/imx/parallel-display.c
+++ b/drivers/gpu/drm/imx/parallel-display.c
@@ -210,8 +210,13 @@ static int imx_pd_bind(struct device *dev, struct device *master, void *data)
return -ENOMEM;
edidp = of_get_property(np, "edid", &imxpd->edid_len);
- if (edidp)
+ if (edidp) {
imxpd->edid = kmemdup(edidp, imxpd->edid_len, GFP_KERNEL);
+ if (!imxpd->edid) {
+ devm_kfree(dev, imxpd);
+ return -ENOMEM;
+ }
+ }
ret = of_property_read_string(np, "interface-pix-fmt", &fmt);
if (!ret) {
--
2.23.0
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