scsi: use pci_zalloc_consistent

Remove the now unnecessary memset too.

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Adam Radford <linuxraid@lsi.com>
Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
Cc: Jayamohan Kallickal <jayamohan.kallickal@emulex.com>
Cc: Dario Ballabio <ballabio_dario@emc.com>
Cc: Michael Neuffer <mike@i-Connect.Net>
Cc: "Stephen M. Cameron" <scameron@beardog.cce.hp.com>
Cc: Neela Syam Kolli <megaraidlinux@lsi.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/scsi/csiostor/csio_wr.c b/drivers/scsi/csiostor/csio_wr.c
index 4255ce264abf..773da14cfa14 100644
--- a/drivers/scsi/csiostor/csio_wr.c
+++ b/drivers/scsi/csiostor/csio_wr.c
@@ -232,7 +232,7 @@ csio_wr_alloc_q(struct csio_hw *hw, uint32_t qsize, uint32_t wrsize,
 
         q = wrm->q_arr[free_idx];
 
-        q->vstart = pci_alloc_consistent(hw->pdev, qsz, &q->pstart);
+        q->vstart = pci_zalloc_consistent(hw->pdev, qsz, &q->pstart);
         if (!q->vstart) {
                 csio_err(hw,
                          "Failed to allocate DMA memory for "
@@ -240,12 +240,6 @@ csio_wr_alloc_q(struct csio_hw *hw, uint32_t qsize, uint32_t wrsize,
                 return -1;
         }
 
-        /*
-         * We need to zero out the contents, importantly for ingress,
-         * since we start with a generatiom bit of 1 for ingress.
-         */
-        memset(q->vstart, 0, qsz);
-
         q->type         = type;
         q->owner        = owner;
         q->pidx         = q->cidx = q->inc_idx = 0;