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>

diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index b31faec..867f6fd 100644 (file)
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -1278,7 +1278,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance)
                        error = 0;
                        /* Check for command packet errors */
                        if (full_command_packet->command.newcommand.status != 0) {
-                               if (tw_dev->srb[request_id] != 0) {
+                               if (tw_dev->srb[request_id] != NULL) {
                                        error = twa_fill_sense(tw_dev, request_id, 1, 1);
                                } else {
                                        /* Skip ioctl error prints */
@@ -1290,7 +1290,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance)
 
                        /* Check for correct state */
                        if (tw_dev->state[request_id] != TW_S_POSTED) {
-                               if (tw_dev->srb[request_id] != 0) {
+                               if (tw_dev->srb[request_id] != NULL) {
                                        TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1a, "Received a request id that wasn't posted");
                                        TW_CLEAR_ALL_INTERRUPTS(tw_dev);
                                        goto twa_interrupt_bail;
@@ -1298,7 +1298,7 @@ static irqreturn_t twa_interrupt(int irq, void *dev_instance)
                        }
 
                        /* Check for internal command completion */
-                       if (tw_dev->srb[request_id] == 0) {
+                       if (tw_dev->srb[request_id] == NULL) {
                                if (request_id != tw_dev->chrdev_request_id) {
                                        if (twa_aen_complete(tw_dev, request_id))
                                                TW_PRINTK(tw_dev->host, TW_DRIVER, 0x1b, "Error completing AEN during attention interrupt");

diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index 1dca177..0899cb6 100644 (file)
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -3582,7 +3582,7 @@ static int checksetup(struct aha152x_setup *setup)
        if (i == ARRAY_SIZE(ports))
                return 0;
 
-       if ( request_region(setup->io_port, IO_RANGE, "aha152x")==0 ) {
+       if (!request_region(setup->io_port, IO_RANGE, "aha152x")) {
                printk(KERN_ERR "aha152x: io port 0x%x busy.\n", setup->io_port);
                return 0;
        }
@@ -3842,7 +3842,7 @@ static int __init aha152x_init(void)
                        if ((setup_count == 1) && (setup[0].io_port == ports[i]))
                                continue;
 
-                       if ( request_region(ports[i], IO_RANGE, "aha152x")==0 ) {
+                       if (!request_region(ports[i], IO_RANGE, "aha152x")) {
                                printk(KERN_ERR "aha152x: io port 0x%x busy.\n", ports[i]);
                                continue;
                        }

diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index db6de5e..7d31154 100644 (file)
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -747,7 +747,7 @@ static void send_s870(struct atp_unit *dev,unsigned char c)
                dev->quhd[c] = 0;
        }
        workreq = dev->quereq[c][dev->quhd[c]];
-       if (dev->id[c][scmd_id(workreq)].curr_req == 0) {       
+       if (dev->id[c][scmd_id(workreq)].curr_req == NULL) {
                dev->id[c][scmd_id(workreq)].curr_req = workreq;
                dev->last_cmd[c] = scmd_id(workreq);
                goto cmd_subp;

diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index aaa48e0..da876d3 100644 (file)
--- 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,

diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index 51e2f29..3754ab8 100644 (file)
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -2811,7 +2811,7 @@ qla1280_64bit_start_scsi(struct scsi_qla_host *ha, struct srb * sp)
 
        /* Check for room in outstanding command list. */
        for (cnt = 0; cnt < MAX_OUTSTANDING_COMMANDS &&
-                    ha->outstanding_cmds[cnt] != 0; cnt++);
+                    ha->outstanding_cmds[cnt] != NULL; cnt++);
 
        if (cnt >= MAX_OUTSTANDING_COMMANDS) {
                status = 1;