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Groups > linux.kernel > #1403755

[PATCH] drm/vmwgfx: use kmemdup

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Use kmemdup when some other buffer is immediately copied into allocated
region. It replaces call to allocation followed by memcpy, by a single
call to kmemdup.

Signed-off-by: Muhammad Falak R Wani <falakreyaz@gmail.com>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_mob.c | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
index b6126a5..941bcfd 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_mob.c
@@ -319,18 +319,17 @@ int vmw_otables_setup(struct vmw_private *dev_priv)
 	int ret;
 
 	if (dev_priv->has_dx) {
-		*otables = kmalloc(sizeof(dx_tables), GFP_KERNEL);
+		*otables = kmemdup(dx_tables, sizeof(dx_tables), GFP_KERNEL);
 		if (*otables == NULL)
 			return -ENOMEM;
 
-		memcpy(*otables, dx_tables, sizeof(dx_tables));
 		dev_priv->otable_batch.num_otables = ARRAY_SIZE(dx_tables);
 	} else {
-		*otables = kmalloc(sizeof(pre_dx_tables), GFP_KERNEL);
+		*otables = kmemdup(pre_dx_tables, sizeof(pre_dx_tables),
+				   GFP_KERNEL);
 		if (*otables == NULL)
 			return -ENOMEM;
 
-		memcpy(*otables, pre_dx_tables, sizeof(pre_dx_tables));
 		dev_priv->otable_batch.num_otables = ARRAY_SIZE(pre_dx_tables);
 	}
 
-- 
1.9.1

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[PATCH] drm/vmwgfx: use kmemdup Muhammad Falak R Wani <falakreyaz@gmail.com> - 2016-05-19 15:50 +0200

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