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author | Bhanu Prakash Gollapudi <bprakash@broadcom.com> | 2012-01-23 18:00:46 -0800 |
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committer | James Bottomley <JBottomley@Parallels.com> | 2012-02-19 08:08:58 -0600 |
commit | 2a7b29c5f267c143e280c1a5174a0d930bd6c1e3 (patch) | |
tree | 85c58f26d3eaac2cf183e765fd023d5c54d0aa41 /drivers/scsi/bnx2fc | |
parent | 9f71af2febd53620a379d71527f98bbc2ba67e61 (diff) | |
download | linux-2a7b29c5f267c143e280c1a5174a0d930bd6c1e3.tar.gz linux-2a7b29c5f267c143e280c1a5174a0d930bd6c1e3.tar.bz2 linux-2a7b29c5f267c143e280c1a5174a0d930bd6c1e3.zip |
[SCSI] bnx2fc: fix panic in bnx2fc_post_io_req
System panics while accessing stale pointer - timer_work_queue - in the IO path
before bnx2fc_stop is called. Fix is to destroy the workqueue after the destroy
operation is complete.
Signed-off-by: Bhanu Prakash Gollapudi <bprakash@broadcom.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/bnx2fc')
-rw-r--r-- | drivers/scsi/bnx2fc/bnx2fc_fcoe.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c index 8c6156a10d90..10cf5d96ce29 100644 --- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c +++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c @@ -1537,6 +1537,7 @@ static void __bnx2fc_destroy(struct bnx2fc_interface *interface) static int bnx2fc_destroy(struct net_device *netdev) { struct bnx2fc_interface *interface = NULL; + struct workqueue_struct *timer_work_queue; int rc = 0; rtnl_lock(); @@ -1549,9 +1550,9 @@ static int bnx2fc_destroy(struct net_device *netdev) goto netdev_err; } - - destroy_workqueue(interface->timer_work_queue); + timer_work_queue = interface->timer_work_queue; __bnx2fc_destroy(interface); + destroy_workqueue(timer_work_queue); netdev_err: mutex_unlock(&bnx2fc_dev_lock); |