Hello again. :-) Now, 2 patches to the different files shouldn't have and identical subject! And the patch subject should reflect the exact patch locus, e.g. "sata_highbank: delete redundant printing of return value". On 3/13/21 10:47 AM, Wang Qing wrote: > platform_get_irq() has already checked and printed the return value, > the printing here is nothing special, it is not necessary at all. > > Signed-off-by: Wang Qing <wangqing@xxxxxxxx> > --- > drivers/ata/sata_highbank.c | 4 +--- > 1 file changed, 1 insertion(+), 3 deletions(-) > > diff --git a/drivers/ata/sata_highbank.c b/drivers/ata/sata_highbank.c > index 64b2ef1..a43d42a > --- a/drivers/ata/sata_highbank.c > +++ b/drivers/ata/sata_highbank.c > @@ -469,10 +469,8 @@ static int ahci_highbank_probe(struct platform_device *pdev) > } > > irq = platform_get_irq(pdev, 0); > - if (irq <= 0) { > - dev_err(dev, "no irq\n"); > + if (irq <= 0) > return -EINVAL; > - } Again, this code has more serious issue: it breaks deferred probing by overriding the result to -EINVAL... MBR, Sergei