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authorStephen Hemminger <shemminger@linux-foundation.org>2007-10-18 03:07:05 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-18 14:37:31 -0700
commitc80544dc0b87bb65038355e7aafdc30be16b26ab (patch)
tree176349304bec88a9de16e650c9919462e0dd453c /drivers
parent0e9663ee452ffce0d429656ebbcfe69417a30e92 (diff)
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sparse pointer use of zero as null
Get rid of sparse related warnings from places that use integer as NULL pointer. [akpm@linux-foundation.org: coding-style fixes] Signed-off-by: Stephen Hemminger <shemminger@linux-foundation.org> Cc: Andi Kleen <ak@suse.de> Cc: Jeff Garzik <jeff@garzik.org> Cc: Matt Mackall <mpm@selenic.com> Cc: Ian Kent <raven@themaw.net> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Davide Libenzi <davidel@xmailserver.org> Cc: Stephen Smalley <sds@tycho.nsa.gov> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-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);