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, 2 insertions, 3 deletions

diff --git a/drivers/scsi/3w-sas.c b/drivers/scsi/3w-sas.c
index 4de346017e9f..6da6cec9a651 100644
--- a/drivers/scsi/3w-sas.c
+++ b/drivers/scsi/3w-sas.c
@@ -683,14 +683,13 @@ static int twl_allocate_memory(TW_Device_Extension *tw_dev, int size, int which)
         unsigned long *cpu_addr;
         int retval = 1;
 
-        cpu_addr = pci_alloc_consistent(tw_dev->tw_pci_dev, size*TW_Q_LENGTH, &dma_handle);
+        cpu_addr = pci_zalloc_consistent(tw_dev->tw_pci_dev, size * TW_Q_LENGTH,
+                                         &dma_handle);
         if (!cpu_addr) {
                 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x5, "Memory allocation failed");
                 goto out;
         }
 
-        memset(cpu_addr, 0, size*TW_Q_LENGTH);
-
         for (i = 0; i < TW_Q_LENGTH; i++) {
                 switch(which) {
                 case 0: