From: Markus Elfring elfring@users.sourceforge.net Date: Sat, 12 Oct 2019 10:33:47 +0200
The return value from a call of the function “kmemdup” was not checked in this function implementation. Thus add the corresponding error handling.
This issue was detected by using the Coccinelle software.
Fixes: dc80d7038883feca2abd08975165bc0d83c84762 ("drm/imx-ldb: Add support to drm-bridge") Signed-off-by: Markus Elfring elfring@users.sourceforge.net --- drivers/gpu/drm/imx/imx-ldb.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/imx/imx-ldb.c b/drivers/gpu/drm/imx/imx-ldb.c index 208069faf183..801a2265dd11 100644 --- a/drivers/gpu/drm/imx/imx-ldb.c +++ b/drivers/gpu/drm/imx/imx-ldb.c @@ -569,6 +569,8 @@ static int imx_ldb_panel_ddc(struct device *dev, channel->edid = kmemdup(edidp, channel->edid_len, GFP_KERNEL); + if (!channel->edid) + return -ENOMEM; } else if (!channel->panel) { /* fallback to display-timings node */ ret = of_get_drm_display_mode(child, -- 2.23.0