fix follow_link() breakage
commit 574197e0de
had a missing
piece, breaking the loop detection ;-/
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Родитель
d10902812c
Коммит
0e794589e5
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@ -753,9 +753,11 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
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BUG_ON(nd->flags & LOOKUP_RCU);
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if (link->mnt == nd->path.mnt)
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mntget(link->mnt);
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if (unlikely(current->total_link_count >= 40)) {
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*p = ERR_PTR(-ELOOP); /* no ->put_link(), please */
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path_put_conditional(link, nd);
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path_put(&nd->path);
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return -ELOOP;
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}
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@ -765,9 +767,6 @@ follow_link(struct path *link, struct nameidata *nd, void **p)
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touch_atime(link->mnt, dentry);
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nd_set_link(nd, NULL);
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if (link->mnt == nd->path.mnt)
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mntget(link->mnt);
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error = security_inode_follow_link(link->dentry, nd);
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if (error) {
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*p = ERR_PTR(error); /* no ->put_link(), please */
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