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| author | Stephen Cameron <stephenmcameron@gmail.com> | 2015-01-23 16:44:07 -0600 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2015-02-02 09:57:42 -0800 |
| commit | e4aa3e6ae2a82ecfce7eecc6c52dcaba7b9e3f84 (patch) | |
| tree | 5f57c08e018dce0c86e95869df28560f0c84a927 /drivers/scsi/hpsa.c | |
| parent | 6f99a9160f1947569bc17b85fbe7353a1090dfe7 (diff) | |
| download | lwn-e4aa3e6ae2a82ecfce7eecc6c52dcaba7b9e3f84.tar.gz lwn-e4aa3e6ae2a82ecfce7eecc6c52dcaba7b9e3f84.zip | |
hpsa: do not ack controller events on controllers that do not support it
Acking controller events on controllers that do not support
it can cause such controllers to lock up.
Reviewed-by: Scott Teel <scott.teel@pmcs.com>
Signed-off-by: Joe Handzik <joseph.t.handzik@hp.com>
Signed-off-by: Don Brace <don.brace@pmcs.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/scsi/hpsa.c')
| -rw-r--r-- | drivers/scsi/hpsa.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/hpsa.c b/drivers/scsi/hpsa.c index 5abd49d85940..afd192d2d27d 100644 --- a/drivers/scsi/hpsa.c +++ b/drivers/scsi/hpsa.c @@ -6674,6 +6674,9 @@ static void hpsa_ack_ctlr_events(struct ctlr_info *h) int i; char *event_type; + if (!(h->fw_support & MISC_FW_EVENT_NOTIFY)) + return; + /* Ask the controller to clear the events we're handling. */ if ((h->transMethod & (CFGTBL_Trans_io_accel1 | CFGTBL_Trans_io_accel2)) && |