[SCSI] qla2xxx: Double check for command completion if abort mailbox command fails.

Close a small window where we could falsely fail an abort request if the mailbox
command fails but the command was returned during interrupt context.

Signed-off-by: Chad Dupuis <chad.dupuis@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 2caab83c4c9f..4cace3f20c04 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -918,6 +918,10 @@ qla2xxx_eh_abort(struct scsi_cmnd *cmd)
         qla2x00_sp_compl(ha, sp);
         spin_unlock_irqrestore(&ha->hardware_lock, flags);
 
+        /* Did the command return during mailbox execution? */
+        if (ret == FAILED && !CMD_SP(cmd))
+                ret = SUCCESS;
+
         /* Wait for the command to be returned. */
         if (wait) {
                 if (qla2x00_eh_wait_on_command(cmd) != QLA_SUCCESS) {