Commit f5be3e29 authored by Al Viro's avatar Al Viro
Browse files

fix bogus read_seqretry() checks introduced in b37199e6



read_seqretry() returns true on mismatch, not on match...

Cc: stable@vger.kernel.org # 3.15+
Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 6f18493e
......@@ -1137,7 +1137,7 @@ static bool __follow_mount_rcu(struct nameidata *nd, struct path *path,
*/
*inode = path->dentry->d_inode;
}
return read_seqretry(&mount_lock, nd->m_seq) &&
return !read_seqretry(&mount_lock, nd->m_seq) &&
!(path->dentry->d_flags & DCACHE_NEED_AUTOMOUNT);
}
......@@ -1174,7 +1174,7 @@ static int follow_dotdot_rcu(struct nameidata *nd)
nd->path.mnt = &mounted->mnt;
nd->path.dentry = mounted->mnt.mnt_root;
nd->seq = read_seqcount_begin(&nd->path.dentry->d_seq);
if (!read_seqretry(&mount_lock, nd->m_seq))
if (read_seqretry(&mount_lock, nd->m_seq))
goto failed;
}
nd->inode = nd->path.dentry->d_inode;
......
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