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path: root/drivers/scsi/libsas
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Diffstat (limited to 'drivers/scsi/libsas')
-rw-r--r--drivers/scsi/libsas/sas_ata.c13
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index 16c5094bc86c..3356bf36cd98 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -802,6 +802,19 @@ int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
if (!list_empty(&sata_q)) {
ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata cmd error handler\n");
ata_scsi_cmd_error_handler(shost, ap, &sata_q);
+ /*
+ * ata's error handler may leave the cmd on the list
+ * so make sure they don't remain on a stack list
+ * about to go out of scope.
+ *
+ * This looks strange, since the commands are
+ * now part of no list, but the next error
+ * action will be ata_port_error_handler()
+ * which takes no list and sweeps them up
+ * anyway from the ata tag array.
+ */
+ while (!list_empty(&sata_q))
+ list_del_init(sata_q.next);
}
} while (ap);