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-rw-r--r--drivers/atm/nicstar.c2
-rw-r--r--drivers/char/drm/r128_cce.c2
-rw-r--r--drivers/char/tty_io.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
index 38c769f8d2b..3da804b1627 100644
--- a/drivers/atm/nicstar.c
+++ b/drivers/atm/nicstar.c
@@ -415,7 +415,7 @@ static int __devinit ns_init_card(int i, struct pci_dev *pcidev)
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 f36adbd3aaf..c31afbde62e 100644
--- a/drivers/char/drm/r128_cce.c
+++ b/drivers/char/drm/r128_cce.c
@@ -817,7 +817,7 @@ static struct drm_buf *r128_freelist_get(struct drm_device * dev)
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 4d3c7018f0c..98b65a23099 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1180,7 +1180,7 @@ struct tty_driver *tty_find_polling_driver(char *name, int *line)
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)) {