summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
authorTony Battersby <tonyb@cybernetics.com>2025-11-10 10:51:28 -0500
committerMartin K. Petersen <martin.petersen@oracle.com>2025-11-12 18:07:50 -0500
commit957aa5974989fba4ae4f807ebcb27f12796edd4d (patch)
treead35c3f1550d3c82d692ca25ddf06544c33eb0cf
parent4f6aaade2a22ac428fa99ed716cf2b87e79c9837 (diff)
scsi: qla2xxx: Use reinit_completion on mbx_intr_comp
If a mailbox command completes immediately after wait_for_completion_timeout() times out, ha->mbx_intr_comp could be left in an inconsistent state, causing the next mailbox command not to wait for the hardware. Fix by reinitializing the completion before use. Signed-off-by: Tony Battersby <tonyb@cybernetics.com> Link: https://patch.msgid.link/11b6485e-0bfd-4784-8f99-c06a196dad94@cybernetics.com Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 32eb0ce8b170..1f01576f044b 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -253,6 +253,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
/* Issue set host interrupt command to send cmd out. */
ha->flags.mbox_int = 0;
clear_bit(MBX_INTERRUPT, &ha->mbx_cmd_flags);
+ reinit_completion(&ha->mbx_intr_comp);
/* Unlock mbx registers and wait for interrupt */
ql_dbg(ql_dbg_mbx, vha, 0x100f,
@@ -279,6 +280,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
"cmd=%x Timeout.\n", command);
spin_lock_irqsave(&ha->hardware_lock, flags);
clear_bit(MBX_INTR_WAIT, &ha->mbx_cmd_flags);
+ reinit_completion(&ha->mbx_intr_comp);
spin_unlock_irqrestore(&ha->hardware_lock, flags);
if (chip_reset != ha->chip_reset) {