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| author | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-04-03 03:35:02 +0000 |
|---|---|---|
| committer | Nicholas Bellinger <nab@linux-iscsi.org> | 2014-04-07 01:48:54 -0700 |
| commit | d84287bcfe624697cd4f3c1df746beb53b86d9c4 (patch) | |
| tree | fe68ddb1ec2c584f6cb9f5665bbf8a0cd090d785 /drivers/target | |
| parent | a1e1774c6dfa3a524dd8df51ca95185fe5ef3247 (diff) | |
| download | linux-d84287bcfe624697cd4f3c1df746beb53b86d9c4.tar.gz linux-d84287bcfe624697cd4f3c1df746beb53b86d9c4.tar.bz2 linux-d84287bcfe624697cd4f3c1df746beb53b86d9c4.zip | |
target/iblock: Fix double bioset_integrity_free bug
This patch fixes a double free bug during IBLOCK backend shutdown
where bioset_integrity_free() was incorrectly called ahead of
bioset_free(), who is already making the same call directly.
This bug was introduced with commit ecebbf6cc, and will end up
triggering a general protection fault in iblock_free_device()
Reviewed-by: Sagi Grimberg <sagig@mellanox.com>
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: Or Gerlitz <ogerlitz@mellanox.com>
Cc: Quinn Tran <quinn.tran@qlogic.com>
Cc: Giridhar Malavali <giridhar.malavali@qlogic.com>
Cc: <stable@vger.kernel.org> #3.14+
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target')
| -rw-r--r-- | drivers/target/target_core_iblock.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 554d4f75a75a..9e0232cca92e 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -203,10 +203,9 @@ static void iblock_free_device(struct se_device *dev) if (ib_dev->ibd_bd != NULL) blkdev_put(ib_dev->ibd_bd, FMODE_WRITE|FMODE_READ|FMODE_EXCL); - if (ib_dev->ibd_bio_set != NULL) { - bioset_integrity_free(ib_dev->ibd_bio_set); + if (ib_dev->ibd_bio_set != NULL) bioset_free(ib_dev->ibd_bio_set); - } + kfree(ib_dev); } |