Al Viro d870b4a191 fix bogus path_put() of nd->root after some unlazy_walk() failures ...

Failure to grab reference to parent dentry should go through the
same cleanup as nd->seq mismatch.  As it is, we might end up with
caller thinking it needs to path_put() nd->root, with obvious
nasty results once we'd hit that bug enough times to drive the
refcount of root dentry all the way to zero...

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

2013-11-29 01:50:51 -05:00

110 KiB

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