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drm/amd/display: remove redundant null pointer check before kfree 

kfree has taken null pointer into account. hence it is safe to remove
the unnecessary check.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Signed-off-by: zhong jiang <zhongjiang@huawei.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
zhong jiang 2019-10-30 09:57:53 +08:00 committed by Alex Deucher
parent 46203a508f
commit 5e8f5477f9
1 changed files with 1 additions and 3 deletions
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4
drivers/gpu/drm/amd/display/dc/hdcp/hdcp_msg.c
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@ -174,9 +174,7 @@ static bool hdmi_14_process_transaction(
link->ctx,
link,
&i2c_command);
if (buff)
kfree(buff);
kfree(buff);
return result;
}