Message ID | 6ad5c6077b96353a77ea30d1b64651c77d5622f6.1511066652.git.arvind.yadav.cs@gmail.com (mailing list archive) |
---|---|
State | Not Applicable |
Headers | show |
On 19 November 2017 at 05:52, Arvind Yadav <arvind.yadav.cs@gmail.com> wrote: > platform_get_irq() can fail here and we must check its return value. > > Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> 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/sunxi-mmc.c | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c > index cc98355d..c926ac8 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); > > -- > 2.7.4 >
diff --git a/drivers/mmc/host/sunxi-mmc.c b/drivers/mmc/host/sunxi-mmc.c index cc98355d..c926ac8 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);
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/sunxi-mmc.c | 5 +++++ 1 file changed, 5 insertions(+)