[IB] kzalloc() conversions

Replace kmalloc()+memset(,0,) with kzalloc(), for a net savings of 35
source lines and about 500 bytes of text.

Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 1 insertions, 3 deletions

diff --git a/drivers/infiniband/hw/mthca/mthca_mr.c b/drivers/infiniband/hw/mthca/mthca_mr.c
index 1f97a44477f5..e995e2aa016d 100644
--- a/drivers/infiniband/hw/mthca/mthca_mr.c
+++ b/drivers/infiniband/hw/mthca/mthca_mr.c
@@ -140,13 +140,11 @@ static int __devinit mthca_buddy_init(struct mthca_buddy *buddy, int max_order)
         buddy->max_order = max_order;
         spin_lock_init(&buddy->lock);
 
-        buddy->bits = kmalloc((buddy->max_order + 1) * sizeof (long *),
+        buddy->bits = kzalloc((buddy->max_order + 1) * sizeof (long *),
                               GFP_KERNEL);
         if (!buddy->bits)
                 goto err_out;
 
-        memset(buddy->bits, 0, (buddy->max_order + 1) * sizeof (long *));
-
         for (i = 0; i <= buddy->max_order; ++i) {
                 s = BITS_TO_LONGS(1 << (buddy->max_order - i));
                 buddy->bits[i] = kmalloc(s * sizeof (long), GFP_KERNEL);