Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH 4/6 v3] mmc: sdhci-spear: Handle return value of platform_get_irq | Date | Sun, 19 Nov 2017 10:22:46 +0530 |
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platform_get_irq() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- changes in v2 : Add failure case '<= 0' instead of '< 0'. IRQ0 is not valid. changes in v3 : return -EINVAL instead of host->irq.
drivers/mmc/host/sdhci-spear.c | 4 ++++ 1 file changed, 4 insertions(+)
diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c index 8c0f884..e04485e 100644 --- a/drivers/mmc/host/sdhci-spear.c +++ b/drivers/mmc/host/sdhci-spear.c @@ -82,6 +82,10 @@ static int sdhci_probe(struct platform_device *pdev) host->hw_name = "sdhci"; host->ops = &sdhci_pltfm_ops; host->irq = platform_get_irq(pdev, 0); + if (host->irq <= 0) { + ret = -EINVAL; + goto err_host; + } host->quirks = SDHCI_QUIRK_BROKEN_ADMA; sdhci = sdhci_priv(host); -- 2.7.4
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