From 2f71e00619dcde3d8a98ba3e7f52e98282504b7d Mon Sep 17 00:00:00 2001 From: Colin Ian King Date: Tue, 27 Oct 2020 11:49:25 +0000 Subject: [PATCH] net: atm: fix update of position index in lec_seq_next The position index in leq_seq_next is not updated when the next entry is fetched an no more entries are available. This causes seq_file to report the following error: "seq_file: buggy .next function lec_seq_next [lec] did not update position index" Fix this by always updating the position index. [ Note: this is an ancient 2002 bug, the sha is from the tglx/history repo ] Fixes 4aea2cbff417 ("[ATM]: Move lan seq_file ops to lec.c [1/3]") Signed-off-by: Colin Ian King Link: https://lore.kernel.org/r/20201027114925.21843-1-colin.king@canonical.com Signed-off-by: Jakub Kicinski --- net/atm/lec.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/net/atm/lec.c b/net/atm/lec.c index dbabb65d8b67..7226c784dbe0 100644 --- a/net/atm/lec.c +++ b/net/atm/lec.c @@ -954,9 +954,8 @@ static void *lec_seq_next(struct seq_file *seq, void *v, loff_t *pos) { struct lec_state *state = seq->private; - v = lec_get_idx(state, 1); - *pos += !!PTR_ERR(v); - return v; + ++*pos; + return lec_get_idx(state, 1); } static int lec_seq_show(struct seq_file *seq, void *v)