ext4: fix failure exits
authorAl Viro <viro@zeniv.linux.org.uk>
Mon, 9 Jan 2012 20:53:24 +0000 (15:53 -0500)
committerAl Viro <viro@zeniv.linux.org.uk>
Mon, 9 Jan 2012 20:57:20 +0000 (15:57 -0500)
a) leaking root dentry is bad
b) in case of failed ext4_mb_init() we don't want to do ext4_mb_release()
c) OTOH, in the same case we *do* want ext4_ext_release()

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

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