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-rw-r--r--drivers/ata/libata-sff.c2
-rw-r--r--drivers/base/dmapool.c2
-rw-r--r--drivers/char/random.c2
3 files changed, 3 insertions, 3 deletions
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 026439e05af..c7501058d07 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -882,7 +882,7 @@ unsigned long ata_pci_default_filter(struct ata_device *adev, unsigned long xfer
/* Filter out DMA modes if the device has been configured by
the BIOS as PIO only */
- if (adev->link->ap->ioaddr.bmdma_addr == 0)
+ if (adev->link->ap->ioaddr.bmdma_addr == NULL)
xfer_mask &= ~(ATA_MASK_MWDMA | ATA_MASK_UDMA);
return xfer_mask;
}
diff --git a/drivers/base/dmapool.c b/drivers/base/dmapool.c
index fbae8674e49..5beddc322e6 100644
--- a/drivers/base/dmapool.c
+++ b/drivers/base/dmapool.c
@@ -366,7 +366,7 @@ dma_pool_free (struct dma_pool *pool, void *vaddr, dma_addr_t dma)
unsigned long flags;
int map, block;
- if ((page = pool_find_page (pool, dma)) == 0) {
+ if ((page = pool_find_page(pool, dma)) == NULL) {
if (pool->dev)
dev_err(pool->dev, "dma_pool_free %s, %p/%lx (bad dma)\n",
pool->name, vaddr, (unsigned long) dma);
diff --git a/drivers/char/random.c b/drivers/char/random.c
index af274e5a25e..1756b1f7cb7 100644
--- a/drivers/char/random.c
+++ b/drivers/char/random.c
@@ -649,7 +649,7 @@ EXPORT_SYMBOL_GPL(add_input_randomness);
void add_interrupt_randomness(int irq)
{
- if (irq >= NR_IRQS || irq_timer_state[irq] == 0)
+ if (irq >= NR_IRQS || irq_timer_state[irq] == NULL)
return;
DEBUG_ENT("irq event %d\n", irq);