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Gustavo A. R. Silva d8933268bd scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg 
[ Upstream commit 727535903b ]

_vreg_ is being dereferenced before it is null checked, hence there is a
potential null pointer dereference.

Fix this by moving the pointer dereference after _vreg_ has been null
checked.

This issue was detected with the help of Coccinelle.

Fixes: aa49761309 ("ufs: Add regulator enable support")
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
Reviewed-by: Subhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-02-03 17:04:29 +01:00
..
aacraid
scsi: aacraid: Prevent crash in case of free interrupt during scsi EH path
2018-02-03 17:04:29 +01:00
aic7xxx
aic7xxx: Fix queue depth handling
2016-04-12 09:08:39 -07:00
aic94xx
Merge tag '4.4-scsi-mkp' into misc
2015-11-12 07:06:18 -05:00
arcmsr
scsi: arcmsr: Send SYNCHRONIZE_CACHE command to firmware
2016-11-10 16:36:35 +01:00
arm
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
be2iscsi
be2iscsi: set the boot_kset pointer to NULL in case of failure
2016-04-12 09:08:39 -07:00
bfa
scsi: bfa: integer overflow in debugfs
2017-12-20 10:05:01 +01:00
bnx2fc
bnx2fc: Update version number to 2.9.6.
2015-11-09 17:32:34 -08:00
bnx2i
bnx2i: Fix call trace while device reset
2015-06-02 17:15:24 -07:00
csiostor
scsi: use host wide tags by default
2015-11-09 17:11:57 -08:00
cxgbi
scsi: cxgb4i: fix Tx skb leak
2017-12-25 14:22:14 +01:00
cxlflash
scsi: cxlflash: Improve EEH recovery time
2017-05-08 07:46:02 +02:00
device_handler
scsi: scsi_dh_emc: return success in clariion_std_inquiry()
2017-10-21 17:09:05 +02:00
dpt
…
esas2r
scsi: use host wide tags by default
2015-11-09 17:11:57 -08:00
fcoe
scsi: use host wide tags by default
2015-11-09 17:11:57 -08:00
fnic
scsi: fnic: Avoid sending reset to firmware when another reset is in progress
2017-08-06 19:19:47 -07:00
ibmvscsi
scsi: ibmvfc: Fix I/O hang when port is not mapped
2016-10-22 12:26:56 +02:00
isci
scsi: isci: avoid array subscript warning
2017-09-02 07:06:50 +02:00
libfc
libfc: Use the correct function name in kernel-doc comment.
2015-11-09 17:15:52 -08:00
libsas
scsi: libsas: fix ata xfer length
2017-04-08 09:53:31 +02:00
lpfc
scsi: lpfc: PLOGI failures during NPIV testing
2017-12-25 14:22:15 +01:00
megaraid
scsi: megaraid_sas: Return pended IOCTLs with cmd_status MFI_STAT_WRONG_STATE in case adapter is dead
2017-09-27 11:00:15 +02:00
mpt3sas
scsi: mpt3sas: Fix IO error occurs on pulling out a drive from RAID1 volume created on two SATA drive
2017-12-25 14:22:14 +01:00
mvsas
mvsas: fix misleading indentation
2017-03-18 19:09:58 +08:00
osd
…
pcmcia
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
pm8001
Merge tag '4.4-scsi-mkp' into misc
2015-11-12 07:06:18 -05:00
qla2xxx
scsi: qla2xxx: Fix an integer overflow in sysfs code
2017-09-27 11:00:16 +02:00
qla4xxx
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
2015-11-13 20:35:54 -08:00
snic
scsi: snic: Return error code on memory allocation failure
2017-08-06 19:19:47 -07:00
sym53c8xx_2
…
ufs
scsi: ufs: ufshcd: fix potential NULL pointer dereference in ufshcd_config_vreg
2018-02-03 17:04:29 +01:00
.gitignore
…
3w-9xxx.c
3w-9xxx: don't unmap bounce buffered commands
2015-10-07 10:24:48 -07:00
3w-9xxx.h
3w-9xxx: fix command completion race
2015-04-27 10:10:19 -07:00
3w-sas.c
3w-sas: fix command completion race
2015-04-27 10:04:39 -07:00
3w-sas.h
3w-sas: fix command completion race
2015-04-27 10:04:39 -07:00
3w-xxxx.c
3w-xxxx: fix command completion race
2015-04-27 10:05:55 -07:00
3w-xxxx.h
3w-xxxx: fix command completion race
2015-04-27 10:05:55 -07:00
53c700_d.h_shipped
…
53c700.c
53c700: fix BUG on untagged commands
2016-07-27 09:47:39 -07:00
53c700.h
…
53c700.scr
…
a100u2w.c
scsi: a100u2w: trivial typo in printk
2015-08-07 15:03:42 +02:00
a100u2w.h
…
a2091.c
…
a2091.h
…
a3000.c
…
a3000.h
…
a4000t.c
…
advansys.c
Merge branch 'mkp-fixes' into fixes
2015-12-03 09:32:33 -08:00
aha152x.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
aha152x.h
…
aha1542.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
aha1542.h
…
aha1740.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
aha1740.h
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
am53c974.c
…
atari_NCR5380.c
…
atari_scsi.c
…
atp870u.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
atp870u.h
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
BusLogic.c
…
BusLogic.h
…
bvme6000_scsi.c
…
ch.c
…
constants.c
scsi: fix upper bounds check of sense key in scsi_sense_key_string()
2016-09-15 08:27:54 +02:00
dc395x.c
…
dc395x.h
…
dmx3191d.c
…
dpt_i2o.c
x86/vm86: Clean up vm86.h includes
2015-07-31 13:31:10 +02:00
dpti.h
…
dtc.c
…
dtc.h
…
eata_generic.h
…
eata_pio.c
…
eata_pio.h
…
eata.c
…
esp_scsi.c
scsi: use host wide tags by default
2015-11-09 17:11:57 -08:00
esp_scsi.h
…
fdomain.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
fdomain.h
…
FlashPoint.c
FlashPoint: fix build warning
2015-11-09 16:32:14 -08:00
g_NCR5380_mmio.c
…
g_NCR5380.c
…
g_NCR5380.h
…
gdth_ioctl.h
…
gdth_proc.c
…
gdth_proc.h
…
gdth.c
…
gdth.h
…
gvp11.c
…
gvp11.h
…
hosts.c
Merge branch 'mkp-fixes' into fixes
2015-12-03 09:32:33 -08:00
hpsa_cmd.h
scsi: hpsa: update check for logical volume status
2017-12-20 10:04:54 +01:00
hpsa.c
scsi: hpsa: fix volume offline state
2018-01-23 19:50:15 +01:00
hpsa.h
scsi: hpsa: limit outstanding rescans
2017-12-20 10:04:55 +01:00
hptiop.c
hptiop: Support HighPoint RR36xx HBAs and Support SAS tape and SAS media changer
2015-08-12 13:14:57 -07:00
hptiop.h
hptiop: Support HighPoint RR36xx HBAs and Support SAS tape and SAS media changer
2015-08-12 13:14:57 -07:00
imm.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
imm.h
…
in2000.c
…
in2000.h
…
initio.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
initio.h
…
ipr.c
ipr: Clear interrupt on croc/crocodile when running with LSI
2016-08-10 11:49:29 +02:00
ipr.h
ipr: Driver version 2.6.3.
2015-11-09 19:32:41 -05:00
ips.c
ips: remove pointless #warning
2015-06-02 17:24:54 -07:00
ips.h
…
iscsi_boot_sysfs.c
…
iscsi_tcp.c
…
iscsi_tcp.h
…
jazz_esp.c
…
Kconfig
scsi: mac_scsi: Fix MAC_SCSI=m option when SCSI=m
2017-05-14 13:32:57 +02:00
lasi700.c
…
libiscsi_tcp.c
…
libiscsi.c
scsi: libiscsi: fix shifting of DID_REQUEUE host byte
2018-01-31 12:06:11 +01:00
mac53c94.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
mac53c94.h
…
mac_esp.c
…
mac_scsi.c
…
Makefile
mpt3sas: Single driver module which supports both SAS 2.0 & SAS 3.0 HBAs
2015-11-11 19:50:11 -05:00
megaraid.c
megaraid : use dev_printk when possible
2015-08-26 07:23:04 -07:00
megaraid.h
…
mesh.c
…
mesh.h
…
mvme16x_scsi.c
…
mvme147.c
…
mvme147.h
…
mvumi.c
mvumi: 64bit value for seconds_since1970
2015-11-11 20:45:23 -05:00
mvumi.h
…
ncr53c8xx.c
…
ncr53c8xx.h
…
NCR53c406a.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
NCR5380.c
…
NCR5380.h
…
NCR_D700.c
…
NCR_D700.h
…
NCR_Q720.c
…
NCR_Q720.h
…
nsp32_debug.c
…
nsp32_io.h
…
nsp32.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
nsp32.h
…
osst_detect.h
…
osst_options.h
…
osst.c
…
osst.h
…
pas16.c
…
pas16.h
…
pmcraid.c
Merge tag '4.4-scsi-mkp' into misc
2015-11-12 07:06:18 -05:00
pmcraid.h
…
ppa.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
ppa.h
…
ps3rom.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
qla1280.c
qla1280: Don't allocate 512kb of host tags
2016-05-18 17:06:52 -07:00
qla1280.h
…
qlogicfas408.c
…
qlogicfas408.h
…
qlogicfas.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
qlogicpti.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
qlogicpti.h
…
raid_class.c
…
script_asm.pl
…
scsi_common.c
scsi_common: do not clobber fixed sense information
2016-04-12 09:09:05 -07:00
scsi_debug.c
scsi: scsi_debug: Fix memory leak if LBP enabled and module is unloaded
2016-11-10 16:36:35 +01:00
scsi_devinfo.c
scsi: scsi_devinfo: Add REPORTLUN2 to EMC SYMMETRIX blacklist entry
2017-12-20 10:05:00 +01:00
scsi_dh.c
scsi: use 'scsi_device_from_queue()' for scsi_dh
2017-03-12 06:37:26 +01:00
scsi_error.c
scsi: fix race between simultaneous decrements of ->host_failed
2016-07-27 09:47:39 -07:00
scsi_ioctl.c
…
scsi_lib_dma.c
…
scsi_lib.c
scsi: use 'scsi_device_from_queue()' for scsi_dh
2017-03-12 06:37:26 +01:00
scsi_logging.c
…
scsi_logging.h
…
scsi_module.c
…
scsi_netlink.c
…
scsi_pm.c
Revert "SCSI: Fix NULL pointer dereference in runtime PM"
2015-12-10 12:24:44 -05:00
scsi_priv.h
scsi_dh: fix use-after-free when removing scsi device
2015-10-27 11:22:37 +09:00
scsi_proc.c
…
scsi_sas_internal.h
…
scsi_scan.c
scsi: Fix use-after-free
2016-10-28 03:01:31 -04:00
scsi_sysctl.c
…
scsi_sysfs.c
scsi: avoid a permanent stop of the scsi device's request queue
2017-01-09 08:07:48 +01:00
scsi_trace.c
…
scsi_transport_api.h
…
scsi_transport_fc.c
…
scsi_transport_iscsi.c
scsi: scsi_transport_iscsi: fix the issue that iscsi_if_rx doesn't parse nlmsg properly
2017-10-05 09:41:44 +02:00
scsi_transport_sas.c
scsi_transport_sas: Remove check for SAS expander when querying bay/enclosure IDs.
2015-09-06 11:13:41 -07:00
scsi_transport_spi.c
[SCSI] Fix printk typos in drivers/scsi
2015-08-07 14:28:45 +02:00
scsi_transport_srp.c
IB/srp: Avoid using uninitialized variable
2015-07-14 13:20:09 -04:00
scsi_typedefs.h
…
scsi.c
scsi: use host wide tags by default
2015-11-09 17:11:57 -08:00
scsi.h
…
scsicam.c
…
sd_dif.c
block: Consolidate static integrity profile properties
2015-10-21 14:42:38 -06:00
sd.c
scsi: sd: change allow_restart to bool in sysfs interface
2017-12-20 10:05:01 +01:00
sd.h
sd: Fix rw_max for devices that report an optimal xfer size
2016-10-28 03:01:33 -04:00
ses.c
ses: fix additional element traversal bug
2015-12-11 11:05:57 -08:00
sg.c
scsi: sg: disable SET_FORCE_LOW_DMA
2018-01-23 19:50:14 +01:00
sgiwd93.c
…
sim710.c
…
sni_53c710.c
…
sr_ioctl.c
…
sr_vendor.c
…
sr.c
scsi: sr: Sanity check returned mode data
2017-04-21 09:30:05 +02:00
sr.h
…
st_options.h
…
st.c
Merge branch 'mkp-fixes' into fixes
2015-12-03 09:32:33 -08:00
st.h
st: implement tape statistics
2015-06-02 08:03:25 -07:00
stex.c
stex: Remove use of struct timeval
2015-11-09 17:42:19 -08:00
storvsc_drv.c
scsi: storvsc: Workaround for virtual DVD SCSI version
2017-12-16 10:33:50 +01:00
sun3_scsi_vme.c
…
sun3_scsi.c
…
sun3_scsi.h
…
sun3x_esp.c
arch, drivers: don't include <asm/io.h> directly, use <linux/io.h> instead
2015-08-10 23:07:05 -04:00
sun_esp.c
…
sym53c416.c
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
sym53c416.h
…
t128.c
…
t128.h
…
u14-34f.c
…
ultrastor.c
…
ultrastor.h
…
virtio_scsi.c
scsi: virtio_scsi: Reject commands when virtqueue is broken
2017-07-05 14:37:19 +02:00
vmw_pvscsi.c
…
vmw_pvscsi.h
…
wd33c93.c
…
wd33c93.h
…
wd719x.c
[SCSI] Fix printk typos in drivers/scsi
2015-08-07 14:28:45 +02:00
wd719x.h
scsi: Do not set cmd_per_lun to 1 in the host template
2015-05-31 18:06:28 -07:00
wd7000.c
…
xen-scsifront.c
xen: Use correctly the Xen memory terminologies
2015-09-08 18:03:49 +01:00
zalon.c
…
zorro7xx.c
…