drivers: atm, char fix integer as NULL pointer warnings
drivers/atm/nicstar.c:418:25: warning: Using plain integer as NULL pointer
drivers/char/drm/r128_cce.c:820:25: warning: Using plain integer as NULL pointer
drivers/char/tty_io.c:1183:10: 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/atm/nicstar.c b/drivers/atm/nicstar.c
index 38c769f..3da804b 100644
--- a/drivers/atm/nicstar.c
+++ b/drivers/atm/nicstar.c
@@ -415,7 +415,7 @@
card->pcidev = pcidev;
membase = pci_resource_start(pcidev, 1);
card->membase = ioremap(membase, NS_IOREMAP_SIZE);
- if (card->membase == 0)
+ if (!card->membase)
{
printk("nicstar%d: can't ioremap() membase.\n",i);
error = 3;
diff --git a/drivers/char/drm/r128_cce.c b/drivers/char/drm/r128_cce.c
index f36adbd..c31afbd 100644
--- a/drivers/char/drm/r128_cce.c
+++ b/drivers/char/drm/r128_cce.c
@@ -817,7 +817,7 @@
for (i = 0; i < dma->buf_count; i++) {
buf = dma->buflist[i];
buf_priv = buf->dev_private;
- if (buf->file_priv == 0)
+ if (!buf->file_priv)
return buf;
}
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 4d3c701..98b65a2 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1180,7 +1180,7 @@
if (*str == ',')
str++;
if (*str == '\0')
- str = 0;
+ str = NULL;
if (tty_line >= 0 && tty_line <= p->num && p->poll_init &&
!p->poll_init(p, tty_line, str)) {