summaryrefslogtreecommitdiff
path: root/drivers/char
diff options
context:
space:
mode:
authorHarvey Harrison <harvey.harrison@gmail.com>2008-04-28 16:50:04 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-04-28 17:31:13 -0700
commita01e035ebb552223c03f2d9138ffc73f2d4d3965 (patch)
tree3d5516138e2c973ce51c808677faba2c52d15d0a /drivers/char
parenta6a3a17b7fdaf824e6d73e8e4a94c9d149302f74 (diff)
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>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/cs5535_gpio.c2
-rw-r--r--drivers/char/n_hdlc.c2
-rw-r--r--drivers/char/rio/rioroute.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/char/cs5535_gpio.c b/drivers/char/cs5535_gpio.c
index c2d23cae9515..c0a4a0bb509e 100644
--- 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 82bcfb9c839a..06803ed5568c 100644
--- 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 85091ff74d96..7a9df7dcf9a8 100644
--- 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;