diff options
| author | Saurav Kashyap <saurav.kashyap@qlogic.com> | 2011-08-16 22:31:46 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2011-08-29 11:14:55 +0400 |
| commit | c8582ad95bcbdf46f799d310d7dfee73d941c2f4 (patch) | |
| tree | 82004ba6ad4b678a74f66ffacd8b40676a13f7a4 /drivers/scsi/qla2xxx | |
| parent | 999916dc59dc2fb0de221ad607d58cdc88fcbbe4 (diff) | |
| download | linux-c8582ad95bcbdf46f799d310d7dfee73d941c2f4.tar.xz | |
[SCSI] qla2xxx: Prevent CPU lockups when "ql2xdontresethba" module param is set.
Driver is not releasing the lock if ql2xdontresethba is set, this might lead
to a lockup.
Signed-off-by: Saurav Kashyap <saurav.kashyap@qlogic.com>
Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/qla2xxx')
| -rw-r--r-- | drivers/scsi/qla2xxx/qla_nx.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/drivers/scsi/qla2xxx/qla_nx.c b/drivers/scsi/qla2xxx/qla_nx.c index b03c86b7a989..fe9db224794d 100644 --- a/drivers/scsi/qla2xxx/qla_nx.c +++ b/drivers/scsi/qla2xxx/qla_nx.c @@ -3761,10 +3761,15 @@ qla82xx_device_state_handler(scsi_qla_host_t *vha) qla82xx_idc_lock(ha); break; case QLA82XX_DEV_NEED_RESET: - if (!ql2xdontresethba) - qla82xx_need_reset_handler(vha); + if (!ql2xdontresethba) + qla82xx_need_reset_handler(vha); + else { + qla82xx_idc_unlock(ha); + msleep(1000); + qla82xx_idc_lock(ha); + } dev_init_timeout = jiffies + - (ha->nx_dev_init_timeout * HZ); + (ha->nx_dev_init_timeout * HZ); break; case QLA82XX_DEV_NEED_QUIESCENT: qla82xx_need_qsnt_handler(vha); |