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authorArvind Yadav <arvind.yadav.cs@gmail.com>2017-11-19 10:22:47 +0530
committerUlf Hansson <ulf.hansson@linaro.org>2017-12-15 09:13:16 +0100
commit2408a08583d2711f43716b79cb879df66ad407dc (patch)
tree8faa32d218d2fcad3fb797bff51a5e0f77ad6031
parent682798a596a6f3ffe796ebbf6a9396bed6dc6de2 (diff)
downloadlinux-2408a08583d2711f43716b79cb879df66ad407dc.tar.bz2
mmc: sunxi-mmc: Handle return value of platform_get_irq
platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
-rw-r--r--drivers/mmc/host/sunxi-mmc.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index 8fef5c17696e..bad612d6f879 100644
--- a/drivers/mmc/host/sunxi-mmc.c
+++ b/drivers/mmc/host/sunxi-mmc.c
@@ -1255,6 +1255,11 @@ static int sunxi_mmc_resource_request(struct sunxi_mmc_host *host,
goto error_assert_reset;
host->irq = platform_get_irq(pdev, 0);
+ if (host->irq <= 0) {
+ ret = -EINVAL;
+ goto error_assert_reset;
+ }
+
return devm_request_threaded_irq(&pdev->dev, host->irq, sunxi_mmc_irq,
sunxi_mmc_handle_manual_stop, 0, "sunxi-mmc", host);