From: Al Viro <viro@zeniv.linux.org.uk>
Date: Wed, 6 May 2009 05:36:04 +0000 (-0400)
Subject: Fix deadlock in ipathfs ->get_sb()
X-Git-Tag: firefly_0821_release~14203^2~12
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=265e771e8197cdb22a1e2556663173fb62c9cd91;p=firefly-linux-kernel-4.4.55.git

Fix deadlock in ipathfs ->get_sb()

forgot to unlock superblock before calling deactivate_super()...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 8dc2bb781605..b3684060465e 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -347,7 +347,7 @@ static int ipathfs_fill_super(struct super_block *sb, void *data,
 		spin_unlock_irqrestore(&ipath_devs_lock, flags);
 		ret = create_device_files(sb, dd);
 		if (ret) {
-			deactivate_super(sb);
+			deactivate_locked_super(sb);
 			goto bail;
 		}
 		spin_lock_irqsave(&ipath_devs_lock, flags);