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linux-kernelorg-stable/drivers/scsi
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Alexander Wetzel d4e655c49f scsi: sg: Avoid race in error handling & drop bogus warn 
Commit 27f58c04a8 ("scsi: sg: Avoid sg device teardown race") introduced
an incorrect WARN_ON_ONCE() and missed a sequence where sg_device_destroy()
was used after scsi_device_put().

sg_device_destroy() is accessing the parent scsi_device request_queue which
will already be set to NULL when the preceding call to scsi_device_put()
removed the last reference to the parent scsi_device.

Drop the incorrect WARN_ON_ONCE() - allowing more than one concurrent
access to the sg device - and make sure sg_device_destroy() is not used
after scsi_device_put() in the error handling.

Link: https://lore.kernel.org/all/5375B275-D137-4D5F-BE25-6AF8ACAE41EF@linux.ibm.com
Fixes: 27f58c04a8 ("scsi: sg: Avoid sg device teardown race")
Cc: stable@vger.kernel.org
Signed-off-by: Alexander Wetzel <Alexander@wetzel-home.de>
Link: https://lore.kernel.org/r/20240401191038.18359-1-Alexander@wetzel-home.de
Tested-by: Sachin Sant <sachinp@linux.ibm.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
 		2024-04-04 18:22:12 -04:00
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aacraid scsi: aacraid: aachba: Replace snprintf() with the safer scnprintf() variant 2024-01-29 20:34:52 -05:00
aic7xxx
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aic94xx
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arcmsr
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arm
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be2iscsi
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bfa scsi: bfa: Fix function pointer type mismatch for state machines 2024-02-26 21:16:48 -05:00
bnx2fc scsi: bnx2fc: Remove spin_lock_bh while releasing resources after upload 2024-03-25 20:47:05 -04:00
bnx2i
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csiostor scsi: csiostor: Avoid function pointer casts 2024-02-15 15:14:01 -05:00
cxgbi
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cxlflash scsi: cxlflash: Make cxlflash_class constant 2024-03-10 18:15:48 -04:00
device_handler scsi: device_handler: rdac: Have midlayer retry send_mode_select() errors 2024-01-29 21:20:53 -05:00
elx
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esas2r
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fcoe SCSI misc on 20240316 2024-03-16 16:31:12 -07:00
fnic SCSI misc on 20240316 2024-03-16 16:31:12 -07:00
hisi_sas scsi: hisi_sas: Remove hisi_hba->timer for v3 hw 2024-01-24 21:11:54 -05:00
ibmvscsi scsi: ibmvscsi: Convert snprintf() to sysfs_emit() 2024-01-29 20:40:49 -05:00
ibmvscsi_tgt scsi: ibmvscsi_tgt: Convert snprintf() to sysfs_emit() 2024-01-29 20:40:49 -05:00
isci SCSI misc on 20240316 2024-03-16 16:31:12 -07:00
libfc scsi: libfc: replace deprecated strncpy() with memcpy() 2024-02-26 21:21:23 -05:00
libsas scsi: libsas: Align SMP request allocation to ARCH_DMA_MINALIGN 2024-04-01 21:34:23 -04:00
lpfc Merge branch '6.9/scsi-queue' into 6.9/scsi-fixes 2024-03-25 14:03:35 -04:00
megaraid
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mpi3mr scsi: mpi3mr: Avoid memcpy field-spanning write WARNING 2024-03-25 15:52:09 -04:00
mpt3sas SCSI misc on 20240316 2024-03-16 16:31:12 -07:00
mvsas
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pcmcia
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pm8001 scsi: pm8001: Convert snprintf() to sysfs_emit() 2024-01-29 20:40:49 -05:00
qedf
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qedi
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qla2xxx scsi: qla2xxx: Update version to 10.02.09.200-k 2024-03-10 18:44:44 -04:00
qla4xxx
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smartpqi scsi: smartpqi: Fix disable_managed_interrupts 2024-02-15 14:49:10 -05:00
snic
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sym53c8xx_2
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.gitignore
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3w-9xxx.c scsi: 3w-9xxx: Remove snprintf() from sysfs call-backs and replace with sysfs_emit() 2024-01-29 20:34:52 -05:00
3w-9xxx.h
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3w-sas.c scsi: 3w-sas: Remove snprintf() from sysfs call-backs and replace with sysfs_emit() 2024-01-29 20:34:52 -05:00
3w-sas.h
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3w-xxxx.c scsi: 3w-xxxx: Remove snprintf() from sysfs call-backs and replace with sysfs_emit() 2024-01-29 20:34:52 -05:00
3w-xxxx.h
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53c700.c scsi: 53c700: Remove snprintf() from sysfs call-backs and replace with sysfs_emit() 2024-01-29 20:34:52 -05:00
53c700.h
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53c700.scr
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53c700_d.h_shipped
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BusLogic.c
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BusLogic.h
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FlashPoint.c
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Kconfig SCSI misc on 20240322 2024-03-22 13:31:07 -07:00
Makefile scsi: scsi_proto: Add structures and constants related to I/O groups and streams 2024-02-26 21:37:26 -05:00
NCR5380.c
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NCR5380.h
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a100u2w.c
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a100u2w.h
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a2091.c
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a2091.h
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a3000.c
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a3000.h
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a4000t.c
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advansys.c
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aha152x.c
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aha152x.h
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aha1542.c
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aha1542.h
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aha1740.c
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aha1740.h
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am53c974.c
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atari_scsi.c
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atp870u.c
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atp870u.h
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bvme6000_scsi.c
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ch.c scsi: ch: Make ch_sysfs_class constant 2024-03-10 18:15:48 -04:00
constants.c
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dc395x.c
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dc395x.h
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dmx3191d.c
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esp_scsi.c Normalise "name (ad@dr)" MODULE_AUTHORs to "name <ad@dr>" 2024-03-06 13:07:39 -08:00
esp_scsi.h
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fdomain.c
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fdomain.h
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fdomain_isa.c
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fdomain_pci.c
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g_NCR5380.c
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gvp11.c
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gvp11.h
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hosts.c scsi: core: Fix unremoved procfs host directory regression 2024-03-25 16:59:49 -04:00
hpsa.c
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hpsa.h
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hpsa_cmd.h
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hptiop.c
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hptiop.h
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imm.c
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imm.h
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initio.c scsi: initio: Remove redundant variable 'rb' 2024-01-17 14:49:05 -05:00
initio.h
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ipr.c
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ipr.h
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ips.c
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ips.h
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iscsi_boot_sysfs.c
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iscsi_tcp.c
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iscsi_tcp.h
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jazz_esp.c Normalise "name (ad@dr)" MODULE_AUTHORs to "name <ad@dr>" 2024-03-06 13:07:39 -08:00
lasi700.c
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libiscsi.c
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libiscsi_tcp.c
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mac53c94.c powerpc/macio: Make remove callback of macio driver void returned 2024-03-07 23:06:19 +11:00
mac53c94.h
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mac_esp.c
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mac_scsi.c
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megaraid.c scsi: megaraid: Remove redundant assignment to variable 'retval' 2024-01-23 21:38:18 -05:00
megaraid.h
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mesh.c powerpc updates for 6.9 2024-03-15 17:53:48 -07:00
mesh.h
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mvme16x_scsi.c
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mvme147.c
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mvme147.h
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mvumi.c
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mvumi.h
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myrb.c scsi: mylex: Fix sysfs buffer lengths 2024-04-01 21:08:48 -04:00
myrb.h
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myrs.c scsi: mylex: Fix sysfs buffer lengths 2024-04-01 21:08:48 -04:00
myrs.h
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ncr53c8xx.c
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ncr53c8xx.h
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nsp32.c
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nsp32.h
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nsp32_debug.c
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nsp32_io.h
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pmcraid.c scsi: pmcraid: Make pmcraid_class constant 2024-03-10 18:15:48 -04:00
pmcraid.h
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ppa.c
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ppa.h
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ps3rom.c
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qla1280.c scsi: qla1280: Remove redundant assignment to variable 'mr' 2024-02-15 15:09:09 -05:00
qla1280.h
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qlogicfas.c
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qlogicfas408.c
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qlogicfas408.h
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qlogicpti.c Normalise "name (ad@dr)" MODULE_AUTHORs to "name <ad@dr>" 2024-03-06 13:07:39 -08:00
qlogicpti.h
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raid_class.c
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script_asm.pl
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scsi.c SCSI misc on 20240322 2024-03-22 13:31:07 -07:00
scsi_bsg.c
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scsi_common.c
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scsi_debug.c SCSI misc on 20240322 2024-03-22 13:31:07 -07:00
scsi_debugfs.c
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scsi_debugfs.h
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scsi_devinfo.c scsi: core: Safe warning about bad dev info string 2024-01-23 21:14:40 -05:00
scsi_dh.c
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scsi_error.c scsi: core: Move scsi_host_busy() out of host lock if it is for per-command 2024-02-05 16:15:20 -05:00
scsi_ioctl.c
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scsi_lib.c SCSI misc on 20240316 2024-03-16 16:31:12 -07:00
scsi_lib_dma.c
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scsi_lib_test.c scsi: core: Add kunit tests for scsi_check_passthrough() 2024-01-29 21:20:55 -05:00
scsi_logging.c
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scsi_logging.h
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scsi_netlink.c
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scsi_pm.c
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scsi_priv.h SCSI misc on 20240316 2024-03-16 16:31:12 -07:00
scsi_proc.c
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scsi_proto_test.c scsi: scsi_proto: Add structures and constants related to I/O groups and streams 2024-02-26 21:37:26 -05:00
scsi_sas_internal.h
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scsi_scan.c scsi: sd: Fix TCG OPAL unlock on system resume 2024-03-25 15:46:12 -04:00
scsi_sysctl.c
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scsi_sysfs.c SCSI misc on 20240322 2024-03-22 13:31:07 -07:00
scsi_trace.c
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scsi_transport_api.h
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scsi_transport_fc.c
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scsi_transport_iscsi.c scsi: iscsi: Make iscsi_flashnode_bus const 2024-02-05 20:57:18 -05:00
scsi_transport_sas.c
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scsi_transport_spi.c scsi: spi: Have midlayer retry spi_execute() UAs 2024-01-29 21:20:53 -05:00
scsi_transport_srp.c
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scsicam.c
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sd.c scsi: sd: Unregister device if device_add_disk() failed in sd_probe() 2024-04-01 21:26:16 -04:00
sd.h scsi: sd: Translate data lifetime information 2024-02-26 21:37:26 -05:00
sd_dif.c
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sd_trace.h
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sd_zbc.c
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sense_codes.h
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ses.c scsi: ses: Have midlayer retry scsi_execute_cmd() errors 2024-01-29 21:20:54 -05:00
sg.c scsi: sg: Avoid race in error handling & drop bogus warn 2024-04-04 18:22:12 -04:00
sgiwd93.c
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sim710.c
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sni_53c710.c
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sr.c scsi: sr: Have midlayer retry get_sectorsize() errors 2024-01-29 21:20:54 -05:00
sr.h
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sr_ioctl.c
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sr_vendor.c
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st.c scsi: st: Make st_sysfs_class constant 2024-03-10 18:15:49 -04:00
st.h
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st_options.h
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stex.c
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storvsc_drv.c scsi: storvsc: Fix ring buffer size calculation 2024-01-23 21:27:28 -05:00
sun3_scsi.c
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sun3_scsi_vme.c
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sun3x_esp.c Normalise "name (ad@dr)" MODULE_AUTHORs to "name <ad@dr>" 2024-03-06 13:07:39 -08:00
sun_esp.c Normalise "name (ad@dr)" MODULE_AUTHORs to "name <ad@dr>" 2024-03-06 13:07:39 -08:00
virtio_scsi.c Merge branch '6.8/scsi-staging' into 6.8/scsi-fixes 2024-01-22 15:49:29 -05:00
vmw_pvscsi.c
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vmw_pvscsi.h
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wd33c93.c
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wd33c93.h
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wd719x.c
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wd719x.h
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xen-scsifront.c
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zalon.c
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zorro7xx.c
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zorro_esp.c
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