On 3/11/21 2:48 AM, Jiapeng Chong wrote: > Fix the following coccicheck warning: > > ./drivers/ide/pmac.c:1680:38-39: WARNING comparing pointer to 0. > > Reported-by: Abaci Robot <ab...@linux.alibaba.com> > Signed-off-by: Jiapeng Chong <jiapeng.ch...@linux.alibaba.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 ea0b064..d5171e0 100644 > --- a/drivers/ide/pmac.c > +++ b/drivers/ide/pmac.c > @@ -1677,7 +1677,7 @@ 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;
This looks utterly broken - the warning is most definitely about dma_regs, not dev, and you swapped the condition (failing on dma_regs being set, not NULL). I'd just leave this one alone, drivers/ide/ should be going away soon. -- Jens Axboe
