From 6f6e0b217a93011f8e11b9a2d5521a08fcf36990 Mon Sep 17 00:00:00 2001 From: "Gustavo A. R. Silva" Date: Thu, 6 Jul 2017 16:58:33 -0500 Subject: [PATCH] drm/rockchip: fix NULL check on devm_kzalloc() return value The right variable to check here is port, not dp. This issue was detected using Coccinelle and the following semantic patch: @@ expression x; identifier fld; @@ * x = devm_kzalloc(...); ... when != x == NULL x->fld Signed-off-by: Gustavo A. R. Silva Acked-by: Mark Yao Signed-off-by: Sean Paul Link: http://patchwork.freedesktop.org/patch/msgid/20170706215833.GA25411@embeddedgus --- drivers/gpu/drm/rockchip/cdn-dp-core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c b/drivers/gpu/drm/rockchip/cdn-dp-core.c index 14fa1f8351e8..9b0b0588bbed 100644 --- a/drivers/gpu/drm/rockchip/cdn-dp-core.c +++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c @@ -1195,7 +1195,7 @@ static int cdn_dp_probe(struct platform_device *pdev) continue; port = devm_kzalloc(dev, sizeof(*port), GFP_KERNEL); - if (!dp) + if (!port) return -ENOMEM; port->extcon = extcon; -- GitLab