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-rw-r--r--drivers/video/aty/atyfb_base.c2
-rw-r--r--drivers/video/aty/radeon_base.c4
-rw-r--r--drivers/video/matrox/matroxfb_base.h2
-rw-r--r--drivers/video/sis/sis_main.c2
4 files changed, 5 insertions, 5 deletions
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index e4bcf5376a99..bd4ac0bafecb 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -3356,7 +3356,7 @@ static int __devinit atyfb_setup_generic(struct pci_dev *pdev, struct fb_info *i
info->fix.mmio_start = raddr;
par->ati_regbase = ioremap(info->fix.mmio_start, 0x1000);
- if (par->ati_regbase == 0)
+ if (par->ati_regbase == NULL)
return -ENOMEM;
info->fix.mmio_start += par->aux_start ? 0x400 : 0xc00;
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index 72cd0d2f14ec..400e9264e456 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -2277,8 +2277,8 @@ static int __devinit radeonfb_pci_register (struct pci_dev *pdev,
do {
rinfo->fb_base = ioremap (rinfo->fb_base_phys,
rinfo->mapped_vram);
- } while ( rinfo->fb_base == 0 &&
- ((rinfo->mapped_vram /=2) >= MIN_MAPPED_VRAM) );
+ } while (rinfo->fb_base == NULL &&
+ ((rinfo->mapped_vram /= 2) >= MIN_MAPPED_VRAM));
if (rinfo->fb_base == NULL) {
printk (KERN_ERR "radeonfb (%s): cannot map FB\n",
diff --git a/drivers/video/matrox/matroxfb_base.h b/drivers/video/matrox/matroxfb_base.h
index f3107ad7e545..95883236c0cd 100644
--- a/drivers/video/matrox/matroxfb_base.h
+++ b/drivers/video/matrox/matroxfb_base.h
@@ -200,7 +200,7 @@ static inline int mga_ioremap(unsigned long phys, unsigned long size, int flags,
virt->vaddr = ioremap_nocache(phys, size);
else
virt->vaddr = ioremap(phys, size);
- return (virt->vaddr == 0); /* 0, !0... 0, error_code in future */
+ return (virt->vaddr == NULL); /* 0, !0... 0, error_code in future */
}
static inline void mga_iounmap(vaddr_t va) {
diff --git a/drivers/video/sis/sis_main.c b/drivers/video/sis/sis_main.c
index 73803624c131..b9343844cd1f 100644
--- a/drivers/video/sis/sis_main.c
+++ b/drivers/video/sis/sis_main.c
@@ -5787,7 +5787,7 @@ sisfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
} else {
struct sis_video_info *countvideo = card_list;
ivideo->cardnumber = 1;
- while((countvideo = countvideo->next) != 0)
+ while((countvideo = countvideo->next) != NULL)
ivideo->cardnumber++;
}
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