We should use NULL to compare with pointer-typed value rather than
0. The issue is detected with the help of Coccinelle.
Signed-off-by: zhong jiang <zhongji...@huawei.com>
---
drivers/ide/pmac.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/ide/pmac.c b/drivers/ide/pmac.c
index c5b902b..ca36a97 100644
--- a/drivers/ide/pmac.c
+++ b/drivers/ide/pmac.c
@@ -1682,7 +1682,7 @@ static int pmac_ide_init_dma(ide_hwif_t *hwif, const
struct ide_port_info *d)
/* We won't need pci_dev if we switch to generic consistent
* DMA routines ...
*/
- if (dev == NULL || pmif->dma_regs == 0)
+ if (!dev || !pmif->dma_regs)
return -ENODEV;
/*
* Allocate space for the DBDMA commands.
--
1.7.12.4
