cgroup: fix coccinelle warnings

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kernel/cgroup.c:2256:1-3: WARNING: PTR_RET can be used

 Use PTR_ERR_OR_ZERO rather than if(IS_ERR(...)) + PTR_ERR

Generated by: coccinelle/api/ptr_ret.cocci

Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Tejun Heo <tj@kernel.org>

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Fengguang Wu 2014-02-13 16:42:43 -05:00 • committed by Tejun Heo

parent d6250ee2fa

commit 430af8ad9d

1 changed files with 1 additions and 3 deletions

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kernel/cgroup.c

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