sfc: Use kcalloc instead of kzalloc to allocate array

The advantage of kcalloc is, that will prevent integer overflows which could
result from the multiplication of number of elements and size and it is also
a bit nicer to read.

The semantic patch that makes this change is available
in https://lkml.org/lkml/2011/11/25/107

Signed-off-by: Thomas Meyer <thomas@m3y3r.de>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/ethernet/sfc/tx.c b/drivers/net/ethernet/sfc/tx.c
index e0e00b3d6a82..72f0fbc73b1a 100644
--- a/drivers/net/ethernet/sfc/tx.c
+++ b/drivers/net/ethernet/sfc/tx.c
@@ -479,7 +479,7 @@ int efx_probe_tx_queue(struct efx_tx_queue *tx_queue)
                   tx_queue->queue, efx->txq_entries, tx_queue->ptr_mask);
 
         /* Allocate software ring */
-        tx_queue->buffer = kzalloc(entries * sizeof(*tx_queue->buffer),
+        tx_queue->buffer = kcalloc(entries, sizeof(*tx_queue->buffer),
                                    GFP_KERNEL);
         if (!tx_queue->buffer)
                 return -ENOMEM;