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linux/drivers/scsi/ufs
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Adrian Hunter d489f18ad1 scsi: ufs: core: Fix synchronization between scsi_unjam_host() and ufshcd_queuecommand() 
The SCSI error handler calls scsi_unjam_host() which can call the queue
function ufshcd_queuecommand() indirectly. The error handler changes the
state to UFSHCD_STATE_RESET while running, but error interrupts that
happen while the error handler is running could change the state to
UFSHCD_STATE_EH_SCHEDULED_NON_FATAL which would allow requests to go
through ufshcd_queuecommand() even though the error handler is running.
Block that hole by checking whether the error handler is in progress.

Link: https://lore.kernel.org/r/20211008084048.257498-1-adrian.hunter@intel.com
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
2021-10-12 13:53:18 -04:00
..
cdns-pltfrm.c scsi: ufs: Reduce power management code duplication 2021-08-02 21:43:57 -04:00
Kconfig scsi: ufs: core: SCSI_UFS_HWMON depends on HWMON=y 2021-09-28 23:24:10 -04:00
Makefile scsi: ufs: core: Probe for temperature notification support 2021-09-22 00:07:42 -04:00
tc-dwc-g210-pci.c scsi: ufs: Reduce power management code duplication 2021-08-02 21:43:57 -04:00
tc-dwc-g210-pltfrm.c scsi: ufs: Reduce power management code duplication 2021-08-02 21:43:57 -04:00
tc-dwc-g210.c
tc-dwc-g210.h
ti-j721e-ufs.c scsi: ufs: ti-j721e-ufs: Fix error return in ti_j721e_ufs_probe() 2020-08-17 21:48:45 -04:00
ufs_bsg.c scsi: ufs: core: Enable power management for wlun 2021-05-10 22:28:20 -04:00
ufs_bsg.h
ufs_quirks.h scsi: ufs: core: Add L2P entry swap quirk for Micron UFS 2021-08-05 23:21:08 -04:00
ufs-debugfs.c scsi: ufs: core: Enable power management for wlun 2021-05-10 22:28:20 -04:00
ufs-debugfs.h scsi: ufs: core: Enable power management for wlun 2021-05-10 22:28:20 -04:00
ufs-exynos.c scsi: ufs: mediatek: Support vops pre suspend to disable auto-hibern8 2021-10-12 13:41:01 -04:00
ufs-exynos.h scsi: ufs: ufs-exynos: Fix static checker warning 2021-08-24 23:10:14 -04:00
ufs-fault-injection.c scsi: ufs: Add fault injection support 2021-08-03 07:27:42 -04:00
ufs-fault-injection.h scsi: ufs: Add fault injection support 2021-08-03 07:27:42 -04:00
ufs-hisi.c scsi: ufs: mediatek: Support vops pre suspend to disable auto-hibern8 2021-10-12 13:41:01 -04:00
ufs-hisi.h scsi: ufs: ufs-hisi: Use device parameter initialization function 2020-11-17 01:03:18 -05:00
ufs-hwmon.c scsi: ufs: core: Add temperature notification exception handling 2021-09-22 00:07:42 -04:00
ufs-mediatek-trace.h scsi: ufs-mediatek: Use correct path to fix compile error 2020-12-09 12:00:26 -05:00
ufs-mediatek.c scsi: ufs: mediatek: Support vops pre suspend to disable auto-hibern8 2021-10-12 13:41:01 -04:00
ufs-mediatek.h scsi: ufs: mediatek: Support vops pre suspend to disable auto-hibern8 2021-10-12 13:41:01 -04:00
ufs-qcom-ice.c scsi: ufs-qcom: Add Inline Crypto Engine support 2020-07-24 22:09:54 -04:00
ufs-qcom.c scsi: ufs: mediatek: Support vops pre suspend to disable auto-hibern8 2021-10-12 13:41:01 -04:00
ufs-qcom.h scsi: ufs: ufs-qcom: Use device parameter initialization function 2020-11-17 01:03:18 -05:00
ufs-sysfs.c scsi: ufs: core: Add lu_enable sysfs node 2021-08-05 23:21:13 -04:00
ufs-sysfs.h
ufs.h scsi: ufs: core: Probe for temperature notification support 2021-09-22 00:07:42 -04:00
ufshcd-crypto.c SCSI misc on 20210219 2021-02-22 10:24:58 -08:00
ufshcd-crypto.h scsi: ufs: use devm_blk_ksm_init() 2021-02-01 12:01:56 +01:00
ufshcd-dwc.c scsi: ufs-dwc: Use phy_initialization helper 2020-12-07 18:00:06 -05:00
ufshcd-dwc.h
ufshcd-pci.c scsi: ufs: ufs-pci: Fix Intel LKF link stability 2021-09-13 22:15:51 -04:00
ufshcd-pltfrm.c scsi: ufs: Reduce power management code duplication 2021-08-02 21:43:57 -04:00
ufshcd-pltfrm.h scsi: ufs: Reduce power management code duplication 2021-08-02 21:43:57 -04:00
ufshcd.c scsi: ufs: core: Fix synchronization between scsi_unjam_host() and ufshcd_queuecommand() 2021-10-12 13:53:18 -04:00
ufshcd.h scsi: ufs: mediatek: Support vops pre suspend to disable auto-hibern8 2021-10-12 13:41:01 -04:00
ufshci-dwc.h
ufshci.h scsi: ufs: Revert "Utilize Transfer Request List Completion Notification Register" 2021-08-02 21:43:58 -04:00
ufshpb.c Merge branch '5.15/scsi-fixes' into 5.16/scsi-staging 2021-10-12 11:58:12 -04:00
ufshpb.h scsi: ufs: ufshpb: Verify that 'num_inflight_map_req' is non-negative 2021-08-11 22:25:36 -04:00
unipro.h scsi: ufs: Add enums for UniPro version higher than 1.6 2020-11-10 23:03:18 -05:00