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drm/rockchip: fix NULL check on devm_kzalloc() return value

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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 <[email protected]>
Acked-by: Mark Yao <[email protected]>
Signed-off-by: Sean Paul <[email protected]>
Link: http://patchwork.freedesktop.org/patch/msgid/20170706215833.GA25411@embeddedgus
This commit is contained in:
Gustavo A. R. Silva 2017-07-06 16:58:33 -05:00 • committed by Sean Paul
commit 6f6e0b217a
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/rockchip/cdn-dp-core.c
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@ -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;