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seq_file: return a negative error code when seq_path_root() fails.

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seq_path_root() is returning a return value of successful __d_path()
instead of returning a negative value when mangle_path() failed.

This is not a bug so far because nobody is using return value of
seq_path_root().

Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Tetsuo Handa 2009-09-18 13:05:59 -07:00 committed by Al Viro
parent ce06e0b21d
commit 7a62cc1021
1 changed files with 1 additions and 0 deletions
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fs/seq_file.c
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@ -470,6 +470,7 @@ int seq_path_root(struct seq_file *m, struct path *path, struct path *root,
m->count = s - m->buf;
return 0;
}
err = -ENAMETOOLONG;
}
}
m->count = m->size;