lkml.org 
[lkml]   [2017]   [Jul]   [6]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
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 <garsilva@embeddedor.com>
---
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 14fa1f8..9b0b058 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;
--
2.5.0
\
 
 \ /
  Last update: 2017-07-06 23:59    [W:0.880 / U:0.004 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site