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remarkable-linux/drivers/target
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Nicholas Bellinger f145377351 target: Fix alua_access_state attribute OOPs for un-configured devices 
This patch fixes a OOPs where an attempt to write to the per-device
alua_access_state configfs attribute at:

  /sys/kernel/config/target/core/$HBA/$DEV/alua/$TG_PT_GP/alua_access_state

results in an NULL pointer dereference when the backend device has not
yet been configured.

This patch adds an explicit check for DF_CONFIGURED, and fails with
-ENODEV to avoid this case.

Reported-by: Chris Boot <crb@tiger-computing.co.uk>
Reported-by: Philip Gaw <pgaw@darktech.org.uk>
Cc: Chris Boot <crb@tiger-computing.co.uk>
Cc: Philip Gaw <pgaw@darktech.org.uk>
Cc: stable@vger.kernel.org # 3.8+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
2014-06-06 01:22:41 -07:00
..
iscsi iser-target: Fix multi network portal shutdown regression 2014-06-03 19:17:32 -07:00
loopback target: Pass in transport supported PI at session initialization 2014-04-07 01:48:54 -07:00
sbp target: Pass in transport supported PI at session initialization 2014-04-07 01:48:54 -07:00
tcm_fc tcm_fc: Fix free-after-use regression in ft_free_cmd 2014-05-15 17:09:12 -07:00
Kconfig target/iblock: Add blk_integrity + BIP passthrough support 2014-01-18 10:14:22 +00:00
Makefile target: Add support for EXTENDED_COPY copy offload emulation 2013-09-10 16:48:43 -07:00
target_core_alua.c target: Allow READ_CAPACITY opcode in ALUA Standby access state 2014-06-06 01:21:12 -07:00
target_core_alua.h target_core_alua: Referrals configfs integration 2014-01-09 21:48:35 -08:00
target_core_configfs.c target: Fix alua_access_state attribute OOPs for un-configured devices 2014-06-06 01:22:41 -07:00
target_core_device.c target: Don't allow setting WC emulation if device doesn't support 2014-05-15 17:09:17 -07:00
target_core_fabric_configfs.c target: Fix sizeof in kmalloc for some default_groups arrays 2013-12-16 12:42:20 -08:00
target_core_fabric_lib.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
target_core_file.c Target/file: place escape values for protection information format 2014-04-07 01:48:39 -07:00
target_core_file.h Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2014-01-31 15:31:23 -08:00
target_core_hba.c target: Update copyright ownership/year information to 2013 2013-09-10 20:23:36 -07:00
target_core_iblock.c target/iblock: Fix double bioset_integrity_free bug 2014-04-07 01:48:54 -07:00
target_core_iblock.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_internal.h target/configfs: Expose protection device attributes 2014-01-18 09:57:47 +00:00
target_core_pr.c target: Fix free-after-use regression in PR unregister 2014-02-12 15:11:01 -08:00
target_core_pr.h drivers: target: Move prototype declaration of function to header file target_core_pr.h 2014-01-09 21:48:36 -08:00
target_core_pscsi.c target/pscsi: fix return value check 2013-10-25 10:42:09 -07:00
target_core_pscsi.h target: kill struct se_subsystem_dev 2012-11-06 20:55:43 -08:00
target_core_rd.c target/rd: T10-Dif: RAM disk is allocating more space than required. 2014-04-07 01:48:53 -07:00
target_core_rd.h target/rd: Add support for protection SGL setup + release 2014-01-19 02:22:05 +00:00
target_core_sbc.c target/sbc: Add sbc_dif_read_strip software emulation 2014-04-07 01:48:57 -07:00
target_core_spc.c target/spc: Only expose PI mode page bits when supported by fabric 2014-04-07 01:48:55 -07:00
target_core_stat.c target: Convert se_device statistics to atomic_long_t 2013-11-13 18:34:55 -08:00
target_core_tmr.c target: Add check to prevent Abort Task from aborting itself 2014-04-11 15:27:15 -07:00
target_core_tpg.c Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending 2014-01-31 15:31:23 -08:00
target_core_transport.c target: fix memory leak on XCOPY 2014-05-17 15:49:40 -07:00
target_core_ua.c target: Remove unused ua_dev_list member in struct se_ua 2013-12-16 12:39:04 -08:00
target_core_ua.h target core: rename (ex,im)plict -> (ex,im)plicit 2013-11-20 11:24:40 -08:00
target_core_xcopy.c drivers: target: Move prototype declaration of function to header file target_core_pr.h 2014-01-09 21:48:36 -08:00
target_core_xcopy.h target: Add support for EXTENDED_COPY copy offload emulation 2013-09-10 16:48:43 -07:00