[PATCH 13/37] drivers/net/wireless/iwmc3200wifi: Use kmemdup

[Julia Lawall]

From: Julia Lawall <julia@xxxxxxx>

Use kmemdup when some other buffer is immediately copied into the
allocated region.

A simplified version of the semantic patch that makes this change is as
follows: (http://coccinelle.lip6.fr/)

// <smpl>
@@
expression from,to,size,flag;
statement S;
@@

-  to = \(kmalloc\|kzalloc\)(size,flag);
+  to = kmemdup(from,size,flag);
   if (to==NULL || ...) S
-  memcpy(to, from, size);
// </smpl>

Signed-off-by: Julia Lawall <julia@xxxxxxx>

---
 drivers/net/wireless/iwmc3200wifi/rx.c |    4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff -u -p a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -321,14 +321,14 @@ iwm_rx_ticket_node_alloc(struct iwm_priv
 		return ERR_PTR(-ENOMEM);
 	}
 
-	ticket_node->ticket = kzalloc(sizeof(struct iwm_rx_ticket), GFP_KERNEL);
+	ticket_node->ticket = kmemdup(ticket, sizeof(struct iwm_rx_ticket),
+				      GFP_KERNEL);
 	if (!ticket_node->ticket) {
 		IWM_ERR(iwm, "Couldn't allocate RX ticket\n");
 		kfree(ticket_node);
 		return ERR_PTR(-ENOMEM);
 	}
 
-	memcpy(ticket_node->ticket, ticket, sizeof(struct iwm_rx_ticket));
 	INIT_LIST_HEAD(&ticket_node->node);
 
 	return ticket_node;
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/