be careful with nd->inode in path_init() and follow_dotdot_rcu()

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commit 4023bfc9f3 upstream.

in the former we simply check if dentry is still valid after picking
its ->d_inode; in the latter we fetch ->d_inode in the same places
where we fetch dentry and its ->d_seq, under the same checks.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Luis Henriques <luis.henriques@canonical.com>

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Al Viro 2014-09-13 21:59:43 -04:00 • committed by Luis Henriques

parent 52dafa6920

commit 3ff4c0b892

1 changed files with 13 additions and 2 deletions

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15

fs/namei.c

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