If the base address is not successfully obtained in the probe function, then the mmc_host struct is not freed. Adding an exit for that case fixes the bug. Signed-off-by: Christian Lütke-Stetzkamp <christian@xxxxxxxx> --- drivers/staging/mt7621-mmc/sd.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/staging/mt7621-mmc/sd.c b/drivers/staging/mt7621-mmc/sd.c index 5f829f79bfff..065d1b34c258 100644 --- a/drivers/staging/mt7621-mmc/sd.c +++ b/drivers/staging/mt7621-mmc/sd.c @@ -2719,8 +2719,10 @@ static int msdc_drv_probe(struct platform_device *pdev) //BUG_ON((!hw) || (!mem) || (irq < 0)); /* --- by chhung */ base = devm_ioremap_resource(&pdev->dev, res); - if (IS_ERR(base)) - return PTR_ERR(base); + if (IS_ERR(base)) { + ret = PTR_ERR(base); + goto host_free; + } /* Set host parameters to mmc */ mmc->ops = &mt_msdc_ops; @@ -2861,6 +2863,7 @@ static int msdc_drv_probe(struct platform_device *pdev) if (mem) release_mem_region(mem->start, mem->end - mem->start + 1); +host_free: mmc_free_host(mmc); return ret; -- 2.16.1 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel