| Message ID | 1461118591-21595-3-git-send-email-yamada.masahiro@socionext.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c index 03dbdeb..24377a3 100644 --- a/drivers/mmc/host/sdhci-pltfm.c +++ b/drivers/mmc/host/sdhci-pltfm.c @@ -146,6 +146,11 @@ struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev, } host->irq = platform_get_irq(pdev, 0); + if (host->irq < 0) { + dev_err(&pdev->dev, "failed to get IRQ number\n"); + ret = host->irq; + goto err_request; + } if (!request_mem_region(iomem->start, resource_size(iomem), mmc_hostname(host->mmc))) {
The function platform_get_irq() can fail; it returns a negative error code on failure. A negative IRQ number will make sdhci_add_host() fail to request IRQ anyway, but it makes sense to let it fail earlier here. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> --- Changes in v2: - Add \n to the tail of the error message drivers/mmc/host/sdhci-pltfm.c | 5 +++++ 1 file changed, 5 insertions(+)