From: "Ewan D. Milne" <emilne@xxxxxxxxxx>
All other traversals of the sdebug_host_list take the lock.
Signed-off-by: Ewan D. Milne <emilne@xxxxxxxxxx>
---
drivers/scsi/scsi_debug.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 397cc10..1a11466 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -4439,6 +4439,7 @@ static ssize_t virtual_gb_store(struct device_driver *ddp, const char *buf,
struct sdebug_host_info *sdhp;
struct sdebug_dev_info *dp;
+ spin_lock(&sdebug_host_list_lock);
list_for_each_entry(sdhp, &sdebug_host_list,
host_list) {
list_for_each_entry(dp, &sdhp->dev_info_list,
@@ -4447,6 +4448,7 @@ static ssize_t virtual_gb_store(struct device_driver *ddp, const char *buf,
dp->uas_bm);
}
}
+ spin_unlock(&sdebug_host_list_lock);
}
return count;
}
--
1.7.11.7
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