[PATCH 4/6 v3] mmc: sdhci-spear: Handle return value of platform_get_irq
From: Ulf Hansson <hidden>
Date: 2017-12-15 09:18:01
Also in:
linux-amlogic, linux-mmc, lkml
From: Ulf Hansson <hidden>
Date: 2017-12-15 09:18:01
Also in:
linux-amlogic, linux-mmc, lkml
On 19 November 2017 at 05:52, Arvind Yadav [off-list ref] wrote:
platform_get_irq() can fail here and we must check its return value. Signed-off-by: Arvind Yadav <redacted>
Thanks, applied for next! Kind regards Uffe
--- 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