drivers: fix integer as NULL pointer warnings

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

diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index c2d23ca..c0a4a0b 100644 (file)
--- a/drivers/char/cs5535_gpio.c
+++ b/drivers/char/cs5535_gpio.c
@@ -215,7 +215,7 @@ static int __init cs5535_gpio_init(void)
        else
                mask = 0x0b003c66;
 
-       if (request_region(gpio_base, CS5535_GPIO_SIZE, NAME) == 0) {
+       if (!request_region(gpio_base, CS5535_GPIO_SIZE, NAME)) {
                printk(KERN_ERR NAME ": can't allocate I/O for GPIO\n");
                return -ENODEV;
        }

diff --git a/drivers/char/n_hdlc.c b/drivers/char/n_hdlc.c
index 82bcfb9..06803ed 100644 (file)
--- a/drivers/char/n_hdlc.c
+++ b/drivers/char/n_hdlc.c
@@ -501,7 +501,7 @@ static void n_hdlc_tty_receive(struct tty_struct *tty, const __u8 *data,
                        __FILE__,__LINE__, count);
                
        /* This can happen if stuff comes in on the backup tty */
-       if (n_hdlc == 0 || tty != n_hdlc->tty)
+       if (!n_hdlc || tty != n_hdlc->tty)
                return;
                
        /* verify line is using HDLC discipline */

diff --git a/drivers/char/rio/rioroute.c b/drivers/char/rio/rioroute.c
index 85091ff..7a9df7d 100644 (file)
--- a/drivers/char/rio/rioroute.c
+++ b/drivers/char/rio/rioroute.c
@@ -526,7 +526,7 @@ void RIOFixPhbs(struct rio_info *p, struct Host *HostP, unsigned int unit)
                         ** If RTA is not powered on, the tx packets will be
                         ** unset, so go no further.
                         */
-                       if (PortP->TxStart == 0) {
+                       if (!PortP->TxStart) {
                                rio_dprintk(RIO_DEBUG_ROUTE, "Tx pkts not set up yet\n");
                                rio_spin_unlock_irqrestore(&PortP->portSem, flags);
                                break;

diff --git a/drivers/firmware/iscsi_ibft_find.c b/drivers/firmware/iscsi_ibft_find.c
index d0e5fa4..11f1744 100644 (file)
--- a/drivers/firmware/iscsi_ibft_find.c
+++ b/drivers/firmware/iscsi_ibft_find.c
@@ -58,7 +58,7 @@ void __init reserve_ibft_region(void)
        unsigned int len = 0;
        void *virt;
 
-       ibft_addr = 0;
+       ibft_addr = NULL;
 
        for (pos = IBFT_START; pos < IBFT_END; pos += 16) {
                /* The table can't be inside the VGA BIOS reserved space,

diff --git a/drivers/mtd/maps/plat-ram.c b/drivers/mtd/maps/plat-ram.c
index f0b10ca..3eb2643 100644 (file)
--- a/drivers/mtd/maps/plat-ram.c
+++ b/drivers/mtd/maps/plat-ram.c
@@ -209,7 +209,7 @@ static int platram_probe(struct platform_device *pdev)
        /* probe for the right mtd map driver
         * supplied by the platform_data struct */
 
-       if (pdata->map_probes != 0) {
+       if (pdata->map_probes) {
                const char **map_probes = pdata->map_probes;
 
                for ( ; !info->mtd && *map_probes; map_probes++)

diff --git a/drivers/pci/pcie/aer/aerdrv_acpi.c b/drivers/pci/pcie/aer/aerdrv_acpi.c
index 96ac540..d39a78d 100644 (file)
--- a/drivers/pci/pcie/aer/aerdrv_acpi.c
+++ b/drivers/pci/pcie/aer/aerdrv_acpi.c
@@ -31,7 +31,7 @@ int aer_osc_setup(struct pcie_device *pciedev)
 {
        acpi_status status = AE_NOT_FOUND;
        struct pci_dev *pdev = pciedev->port;
-       acpi_handle handle = 0;
+       acpi_handle handle = NULL;
 
        if (acpi_pci_disabled)
                return -1;