set STATE_ERR like below to prevent a lockup(IO stuck) when ufshcd_probe_hba() returns error. Change-Id: I6c85ff290503cc9414d7f5fdd934295497b854ff Signed-off-by: Lee Sang Hyun <sh425.lee@xxxxxxxxxxx> --- drivers/scsi/ufs/ufshcd.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index ad4fc82..37e4105 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -7368,6 +7368,7 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool async) { int ret; ktime_t start = ktime_get(); + unsigned long flags; ret = ufshcd_link_startup(hba); if (ret) @@ -7439,6 +7440,11 @@ static int ufshcd_probe_hba(struct ufs_hba *hba, bool async) ufshcd_auto_hibern8_enable(hba); out: + if (ret) { + spin_lock_irqsave(hba->host->host_lock, flags); + hba->ufshcd_state = UFSHCD_STATE_ERROR; + spin_unlock_irqrestore(hba->host->host_lock, flags); + } trace_ufshcd_init(dev_name(hba->dev), ret, ktime_to_us(ktime_sub(ktime_get(), start)), -- 2.7.4