diff options
| author | Jaegeuk Kim <jaegeuk@kernel.org> | 2021-07-01 03:51:17 +0300 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2021-07-13 05:02:06 +0300 |
| commit | 053c16ac89050ef0e8ab9dc1edaf157bf104c8c6 (patch) | |
| tree | c6ad8e83496426578270649a5cc0969d5cb34726 | |
| parent | aa0dc6a73309f1fc779f4560a60ee766a3891adc (diff) | |
| download | linux-053c16ac89050ef0e8ab9dc1edaf157bf104c8c6.tar.xz | |
scsi: ufs: core: Add missing host_lock in ufshcd_vops_setup_xfer_req()
This patch adds a host_lock which existed before on
ufshcd_vops_setup_xfer_req().
Link: https://lore.kernel.org/r/20210701005117.3846179-1-jaegeuk@kernel.org
Fixes: a45f937110fa ("scsi: ufs: Optimize host lock on transfer requests send/compl paths")
Cc: Stanley Chu <stanley.chu@mediatek.com>
Cc: Can Guo <cang@codeaurora.org>
Cc: Bean Huo <beanhuo@micron.com>
Cc: Bart Van Assche <bvanassche@acm.org>
Cc: Asutosh Das <asutoshd@codeaurora.org>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
| -rw-r--r-- | drivers/scsi/ufs/ufshcd.h | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h index c98d540ac044..194755c9ddfe 100644 --- a/drivers/scsi/ufs/ufshcd.h +++ b/drivers/scsi/ufs/ufshcd.h @@ -1229,8 +1229,13 @@ static inline int ufshcd_vops_pwr_change_notify(struct ufs_hba *hba, static inline void ufshcd_vops_setup_xfer_req(struct ufs_hba *hba, int tag, bool is_scsi_cmd) { - if (hba->vops && hba->vops->setup_xfer_req) - return hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd); + if (hba->vops && hba->vops->setup_xfer_req) { + unsigned long flags; + + spin_lock_irqsave(hba->host->host_lock, flags); + hba->vops->setup_xfer_req(hba, tag, is_scsi_cmd); + spin_unlock_irqrestore(hba->host->host_lock, flags); + } } static inline void ufshcd_vops_setup_task_mgmt(struct ufs_hba *hba, |