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H A D | namei.c | d870b4a1 Fri Nov 29 00:48:32 CST 2013 Al Viro <viro@zeniv.linux.org.uk> 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> d870b4a1 Fri Nov 29 00:48:32 CST 2013 Al Viro <viro@zeniv.linux.org.uk> 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>
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