From c80544dc0b87bb65038355e7aafdc30be16b26ab Mon Sep 17 00:00:00 2001 From: Stephen Hemminger Date: Thu, 18 Oct 2007 03:07:05 -0700 Subject: 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 Cc: Andi Kleen Cc: Jeff Garzik Cc: Matt Mackall Cc: Ian Kent Cc: Arnd Bergmann Cc: Davide Libenzi Cc: Stephen Smalley Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/ata/libata-sff.c | 2 +- drivers/base/dmapool.c | 2 +- drivers/char/random.c | 2 +- 3 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers') 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); -- cgit v1.2.3