[PATCH] ethtool: Use kmemdup rather than duplicating itsimplementation

[Thomas Meyer]

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

Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
---

diff -u -p a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c
--- a/drivers/net/ethernet/freescale/gianfar_ethtool.c 2011-11-07 19:37:57.036756543 +0100
+++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c 2011-11-08 10:42:14.842512269 +0100
@@ -1410,10 +1410,9 @@ static int gfar_optimize_filer_masks(str
 
 	/* We need a copy of the filer table because
 	 * we want to change its order */
-	temp_table = kmalloc(sizeof(*temp_table), GFP_KERNEL);
+	temp_table = kmemdup(tab, sizeof(*temp_table), GFP_KERNEL);
 	if (temp_table == NULL)
 		return -ENOMEM;
-	memcpy(temp_table, tab, sizeof(*temp_table));
 
 	mask_table = kcalloc(MAX_FILER_CACHE_IDX / 2 + 1,
 			sizeof(struct gfar_mask_entry), GFP_KERNEL);


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