]> www.infradead.org Git - users/jedix/linux-maple.git/commit
aacraid: Fix memory leak in aac_fib_map_free
authorRaghava Aditya Renukunta <raghavaaditya.renukunta@pmcs.com>
Wed, 3 Feb 2016 23:06:02 +0000 (15:06 -0800)
committerChuck Anderson <chuck.anderson@oracle.com>
Thu, 26 May 2016 22:46:06 +0000 (15:46 -0700)
commit34d1178418721207bcdee4766e6c0d83562977d4
tree414d1dc6101fdc6ae3cdc17247650188a8827172
parent62e3186eb0693cb3b8ebbfb45ad4390e499b6c81
aacraid: Fix memory leak in aac_fib_map_free

Orabug: 23331062

[ Upstream commit f88fa79a61726ce9434df9b4aede36961f709f17 ]

aac_fib_map_free() calls pci_free_consistent() without checking that
dev->hw_fib_va is not NULL and dev->max_fib_size is not zero.If they are
indeed NULL/0, this will result in a hang as pci_free_consistent() will
attempt to invalidate cache for the entire 64-bit address space
(which would take a very long time).

Fixed by adding a check to make sure that dev->hw_fib_va and
dev->max_fib_size are not NULL and 0 respectively.

Fixes: 9ad5204d6 - "[SCSI]aacraid: incorrect dma mapping mask during blinked recover or user initiated reset"
Cc: stable@vger.kernel.org
Signed-off-by: Raghava Aditya Renukunta <raghavaaditya.renukunta@pmcs.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Tomas Henzl <thenzl@redhat.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
(cherry picked from commit 6d2cd58f288e320c5a023219ac8726b30657ddbb)

Signed-off-by: Dan Duval <dan.duval@oracle.com>
drivers/scsi/aacraid/commsup.c