Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH 05/11] seq_file: Handle ->next error in seq_read | Date | Mon, 30 Sep 2013 13:29:06 -0700 |
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From: Andi Kleen <ak@linux.intel.com>
When ->next fails the error would not be returned to user space. Add the missing check.
Cc: viro@zeniv.linux.org.uk Signed-off-by: Andi Kleen <ak@linux.intel.com> --- 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
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