[PATCH 4.9 64/96] autofs: fix error return in autofs_fill_super()

Greg Kroah-Hartman
2019-03-12T17:22:44Z

[ 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@themaw.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
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 ce0c6ea96a87..d9a3264909d0 100644
--- a/fs/autofs4/inode.c
+++ b/fs/autofs4/inode.c
@@ -259,8 +259,10 @@ 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