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authorGiridhar Malavali <giridhar.malavali@qlogic.com>2012-02-09 11:14:10 -0800
committerJames Bottomley <JBottomley@Parallels.com>2012-02-18 08:49:01 -0600
commitd33609607c5abc0b4b31d238e33f3ab075e2f96f (patch)
treee9d8226a17c91b44cfb9a37081577137967d3881 /drivers/scsi
parentc7a992784240c1b16425c6a9606c9db0fc28fb0c (diff)
downloadblackbird-op-linux-d33609607c5abc0b4b31d238e33f3ab075e2f96f.tar.gz
blackbird-op-linux-d33609607c5abc0b4b31d238e33f3ab075e2f96f.zip
[SCSI] qla2xxx: Complete mailbox command timedout to avoid initialization failures during next reset cycle.
Complete the mailbox command timed out before initiating another abort cycle to recover so that mailbox commands issued during next reset cycle don't fail due to pending mailbox access timeout. Signed-off-by: Giridhar Malavali <giridhar.malavali@qlogic.com> Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com> Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/qla2xxx/qla_mbx.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 8635722332a0..08f1d01bdc1c 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -342,6 +342,8 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
set_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
clear_bit(ISP_ABORT_NEEDED, &vha->dpc_flags);
+ /* Allow next mbx cmd to come in. */
+ complete(&ha->mbx_cmd_comp);
if (ha->isp_ops->abort_isp(vha)) {
/* Failed. retry later. */
set_bit(ISP_ABORT_NEEDED,
@@ -350,6 +352,7 @@ qla2x00_mailbox_command(scsi_qla_host_t *vha, mbx_cmd_t *mcp)
clear_bit(ABORT_ISP_ACTIVE, &vha->dpc_flags);
ql_dbg(ql_dbg_mbx, base_vha, 0x101f,
"Finished abort_isp.\n");
+ goto mbx_done;
}
}
}
@@ -358,6 +361,7 @@ premature_exit:
/* Allow next mbx cmd to come in. */
complete(&ha->mbx_cmd_comp);
+mbx_done:
if (rval) {
ql_dbg(ql_dbg_mbx, base_vha, 0x1020,
"**** Failed mbx[0]=%x, mb[1]=%x, mb[2]=%x, cmd=%x ****.\n",
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