From mboxrd@z Thu Jan 1 00:00:00 1970 From: arvind.yadav.cs@gmail.com (Arvind Yadav) Date: Sat, 18 Nov 2017 15:03:43 +0530 Subject: [PATCH 1/6 v2] mmc: meson-gx-mmc: Fix platform_get_irq's error checking Message-ID: <130df0c2c60ed6a0f460b68c586cc0a4167aed0b.1510997223.git.arvind.yadav.cs@gmail.com> To: linus-amlogic@lists.infradead.org List-Id: linus-amlogic.lists.infradead.org The platform_get_irq() function returns negative if an error occurs. zero or positive number on success. platform_get_irq() error checking for zero is not correct. Signed-off-by: Arvind Yadav --- changes in v2 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. drivers/mmc/host/meson-gx-mmc.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c index e0862d3..d6a0695 100644 --- a/drivers/mmc/host/meson-gx-mmc.c +++ b/drivers/mmc/host/meson-gx-mmc.c @@ -1208,9 +1208,9 @@ static int meson_mmc_probe(struct platform_device *pdev) } irq = platform_get_irq(pdev, 0); - if (!irq) { + if (irq <= 0) { dev_err(&pdev->dev, "failed to get interrupt resource.\n"); - ret = -EINVAL; + ret = irq; goto free_host; } -- 2.7.4