diff mbox

[1/6,v2] mmc: meson-gx-mmc: Fix platform_get_irq's error checking

Message ID 130df0c2c60ed6a0f460b68c586cc0a4167aed0b.1510997223.git.arvind.yadav.cs@gmail.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Arvind Yadav Nov. 18, 2017, 9:33 a.m. UTC 
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 <arvind.yadav.cs@gmail.com>
---
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 mbox

Patch

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;
 	}