Sometimes we can't add the device,but we didn't check any error status. Need to check error status for mmc_add_host. Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx> Signed-off-by: kyungmin Park <kyungmin.park@xxxxxxxxxxx> --- drivers/mmc/host/sdhci.c | 7 ++++++- 1 files changed, 6 insertions(+), 1 deletions(-) diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c index 9e15f41..9c777bc 100644 --- a/drivers/mmc/host/sdhci.c +++ b/drivers/mmc/host/sdhci.c @@ -2025,7 +2025,9 @@ int sdhci_add_host(struct sdhci_host *host) mmiowb(); - mmc_add_host(mmc); + ret = mmc_add_host(mmc); + if (unlikely(ret)) + goto err_free_mmc; printk(KERN_INFO "%s: SDHCI controller on %s [%s] using %s\n", mmc_hostname(mmc), host->hw_name, dev_name(mmc_dev(mmc)), @@ -2041,6 +2043,9 @@ reset: sdhci_reset(host, SDHCI_RESET_ALL); free_irq(host->irq, host); #endif +err_free_mmc: + mmc_free_host(host); + untasklet: tasklet_kill(&host->card_tasklet); tasklet_kill(&host->finish_tasklet); -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html