[PATCH AUTOSEL 3.18 18/18] autofs: fix error return in autofs_fill_super()

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From: Ian Kent <raven@xxxxxxxxxx>

[ Upstream commit f585b283e3f025754c45bbe7533fc6e5c4643700 ]

In autofs_fill_super() on error of get inode/make root dentry the return
should be ENOMEM as this is the only failure case of the called
functions.

Link: http://lkml.kernel.org/r/154725123240.11260.796773942606871359.stgit@pluto-themaw-net
Signed-off-by: Ian Kent <raven@xxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 fs/autofs4/inode.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/autofs4/inode.c b/fs/autofs4/inode.c
index 1c55388ae633c..512f70fade243 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -256,8 +256,10 @@ int autofs4_fill_super(struct super_block *s, void *data, int silent)
 	}
 	root_inode = autofs4_get_inode(s, S_IFDIR | 0755);
 	root = d_make_root(root_inode);
-	if (!root)
+	if (!root) {
+		ret = -ENOMEM;
 		goto fail_ino;
+	}
 	pipe = NULL;
 
 	root->d_fsdata = ino;
-- 
2.19.1




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