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[1/3] drm/msm/hdmi: Delete an unnecessary check before the function call "kfree"

Message ID a9dc2934-7b76-8426-1a0f-22284a46e58c@users.sourceforge.net (mailing list archive)
State Not Applicable, archived
Delegated to: Andy Gross
Headers show

Commit Message

SF Markus Elfring July 13, 2016, 6 p.m. UTC 
From: Markus Elfring <elfring@users.sourceforge.net>
Date: Wed, 13 Jul 2016 18:54:11 +0200

The kfree() function tests whether its argument is NULL and then
returns immediately. Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
 drivers/gpu/drm/msm/hdmi/hdmi_hdcp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
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Patch

diff --git a/drivers/gpu/drm/msm/hdmi/hdmi_hdcp.c b/drivers/gpu/drm/msm/hdmi/hdmi_hdcp.c
index 0baaaaa..6e76797 100644
--- a/drivers/gpu/drm/msm/hdmi/hdmi_hdcp.c
+++ b/drivers/gpu/drm/msm/hdmi/hdmi_hdcp.c
@@ -1430,7 +1430,7 @@  struct hdmi_hdcp_ctrl *msm_hdmi_hdcp_init(struct hdmi *hdmi)
 
 void msm_hdmi_hdcp_destroy(struct hdmi *hdmi)
 {
-	if (hdmi && hdmi->hdcp_ctrl) {
+	if (hdmi) {
 		kfree(hdmi->hdcp_ctrl);
 		hdmi->hdcp_ctrl = NULL;
 	}