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linux/drivers/scsi/mvsas
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Dāvis Mosāns 9b7f7de45a mvsas: Fix NULL pointer dereference in mvs_slot_task_free 
commit 2280521719 upstream.

When pci_pool_alloc fails in mvs_task_prep then task->lldd_task stays
NULL but it's later used in mvs_abort_task as slot which is passed
to mvs_slot_task_free causing NULL pointer dereference.

Just return from mvs_slot_task_free when passed with NULL slot.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=101891
Signed-off-by: Dāvis Mosāns <davispuh@gmail.com>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>
History 2015-11-16 11:27:13 +00:00
..
Kconfig [SCSI] mvsas: Add support for interrupt tasklet 2011-07-26 12:59:55 +04:00
Makefile [SCSI] mvsas: add support for Task collector mode and fixed relative bugs 2011-05-01 12:08:03 -05:00
mv_64xx.c Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
mv_64xx.h [SCSI] mvsas: add support for Task collector mode and fixed relative bugs 2011-05-01 12:08:03 -05:00
mv_94xx.c drivers: scsi: mvsas: fix compiling issue by adding 'MVS_' for "enum pci_interrupt_cause" 2014-06-20 08:22:39 +08:00
mv_94xx.h drivers: scsi: mvsas: fix compiling issue by adding 'MVS_' for "enum pci_interrupt_cause" 2014-06-20 08:22:39 +08:00
mv_chips.h Drivers: scsi: remove __dev* attributes. 2013-01-03 15:57:01 -08:00
mv_defs.h [SCSI] mvsas: fixed SMP request watchdog timeout issue. 2011-10-02 13:18:01 -05:00
mv_init.c mvsas: Recognise device/subsystem 9485/9485 as 88SE9485 2014-06-02 09:53:20 +02:00
mv_sas.c mvsas: Fix NULL pointer dereference in mvs_slot_task_free 2015-11-16 11:27:13 +00:00
mv_sas.h [SCSI] mvsas: Fix kernel panic on tile due to unaligned data access 2013-07-23 15:23:08 -07:00