From: Andi Kleen <[email protected]> When ->next fails the error would not be returned to user space. Add the missing check.
Cc: [email protected] Signed-off-by: Andi Kleen <[email protected]> --- fs/seq_file.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/seq_file.c b/fs/seq_file.c index 3135c25..e16b4a8 100644 --- a/fs/seq_file.c +++ b/fs/seq_file.c @@ -262,6 +262,8 @@ Fill: pos = next; } m->op->stop(m, p); + if (err) + goto Done; n = min(m->count, size); err = copy_to_user(buf, m->buf, n); if (err) -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
