linux-kernel - [PATCH] staging/omapdrm: Use kmemdup rather than duplicating its implementation

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Message-Id: <1359157213-626-1-git-send-email-peterhuewe@gmx.de>
Date:	Sat, 26 Jan 2013 00:40:13 +0100
From:	Peter Huewe <peterhuewe@....de>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:	Rob Clark <rob@...com>, Andy Gross <andy.gross@...com>,
	YAMANE Toshiaki <yamanetoshi@...il.com>,
	Vincent Penquerc'h <vincent.penquerch@...labora.co.uk>,
	devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org,
	Peter Huewe <peterhuewe@....de>
Subject: [PATCH] staging/omapdrm: Use kmemdup rather than duplicating its implementation

Found with coccicheck.
The semantic patch that makes this change is available
in scripts/coccinelle/api/memdup.cocci.

Signed-off-by: Peter Huewe <peterhuewe@....de>
---
 drivers/staging/omapdrm/omap_gem.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/omapdrm/omap_gem.c b/drivers/staging/omapdrm/omap_gem.c
index 08f1e292..f9297eb 100644
--- a/drivers/staging/omapdrm/omap_gem.c
+++ b/drivers/staging/omapdrm/omap_gem.c
@@ -1267,12 +1267,12 @@ int omap_gem_set_sync_object(struct drm_gem_object *obj, void *syncobj)
 
 	if ((omap_obj->flags & OMAP_BO_EXT_SYNC) && !syncobj) {
 		/* clearing a previously set syncobj */
-		syncobj = kzalloc(sizeof(*omap_obj->sync), GFP_ATOMIC);
+		syncobj = kmemdup(omap_obj->sync, sizeof(*omap_obj->sync),
+				  GFP_ATOMIC);
 		if (!syncobj) {
 			ret = -ENOMEM;
 			goto unlock;
 		}
-		memcpy(syncobj, omap_obj->sync, sizeof(*omap_obj->sync));
 		omap_obj->flags &= ~OMAP_BO_EXT_SYNC;
 		omap_obj->sync = syncobj;
 	} else if (syncobj && !(omap_obj->flags & OMAP_BO_EXT_SYNC)) {
-- 
1.7.8.6

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