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[6/6] mmc: sunxi-mmc: Handle return value of platform_get_irq

Message ID 1510950502-22565-7-git-send-email-arvind.yadav.cs@gmail.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Arvind Yadav Nov. 17, 2017, 8:28 p.m. UTC 
platform_get_irq() can fail here and we must check its return value.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
 drivers/mmc/host/sunxi-mmc.c | 5 +++++
 1 file changed, 5 insertions(+)
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Patch

diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c
index cc98355d..ec2a16b 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 = host->irq;
+		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);