scsi: fix integer as NULL pointer warning

drivers/scsi/aha152x.c:3585:60: warning: Using plain integer as NULL pointer
drivers/scsi/aha152x.c:3845:56: warning: Using plain integer as NULL pointer
drivers/scsi/qla1280.c:2814:37: warning: Using plain integer as NULL pointer
drivers/scsi/atp870u.c:750:47: warning: Using plain integer as NULL pointer
drivers/scsi/3w-9xxx.c:1281:36: warning: Using plain integer as NULL pointer
drivers/scsi/3w-9xxx.c:1293:36: warning: Using plain integer as NULL pointer
drivers/scsi/3w-9xxx.c:1301:35: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:447:10: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:457:10: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:479:24: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:483:22: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:1213:23: warning: Using plain integer as NULL pointer
drivers/scsi/hptiop.c:1214:23: warning: Using plain integer as NULL pointer

Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 6 insertions, 6 deletions

diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index aaa48e0c8ed0..da876d3924be 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -444,7 +444,7 @@ static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
         if (!(pci_resource_flags(pcidev, index) & IORESOURCE_MEM)) {
                 printk(KERN_ERR "scsi%d: pci resource invalid\n",
                                 hba->host->host_no);
-                return 0;
+                return NULL;
         }
 
         mem_base_phy = pci_resource_start(pcidev, index);
@@ -454,7 +454,7 @@ static void __iomem *hptiop_map_pci_bar(struct hptiop_hba *hba, int index)
         if (!mem_base_virt) {
                 printk(KERN_ERR "scsi%d: Fail to ioremap memory space\n",
                                 hba->host->host_no);
-                return 0;
+                return NULL;
         }
         return mem_base_virt;
 }
@@ -476,11 +476,11 @@ static void hptiop_unmap_pci_bar_itl(struct hptiop_hba *hba)
 static int hptiop_map_pci_bar_mv(struct hptiop_hba *hba)
 {
         hba->u.mv.regs = hptiop_map_pci_bar(hba, 0);
-        if (hba->u.mv.regs == 0)
+        if (hba->u.mv.regs == NULL)
                 return -1;
 
         hba->u.mv.mu = hptiop_map_pci_bar(hba, 2);
-        if (hba->u.mv.mu == 0) {
+        if (hba->u.mv.mu == NULL) {
                 iounmap(hba->u.mv.regs);
                 return -1;
         }
@@ -1210,8 +1210,8 @@ static void hptiop_remove(struct pci_dev *pcidev)
 
 static struct hptiop_adapter_ops hptiop_itl_ops = {
         .iop_wait_ready    = iop_wait_ready_itl,
-        .internal_memalloc = 0,
-        .internal_memfree  = 0,
+        .internal_memalloc = NULL,
+        .internal_memfree  = NULL,
         .map_pci_bar       = hptiop_map_pci_bar_itl,
         .unmap_pci_bar     = hptiop_unmap_pci_bar_itl,
         .enable_intr       = hptiop_enable_intr_itl,