I've been sitting on this patch because afaik the problem which it purports
to fix remains unfixed.
Should I drop it??
Thanks.
From: "Jari Takkala" <[EMAIL PROTECTED]>
Fix a problem where output from /proc/net/arp skips a record when the full
output does not fit into the users read() buffer.
To reproduce: publish a large number of ARP entries (more than 10 required
on my system). Run 'dd if=/proc/net/arp of=arp-1024.out bs=1024'. View
the output, one entry will be missing.
Signed-off-by: Jari Takkala <[EMAIL PROTECTED]>
[akpm: submitted before, discussion ended inconclusively, iirc]
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
---
net/core/neighbour.c | 6 ++++++
1 file changed, 6 insertions(+)
diff -puN net/core/neighbour.c~neighbourc-pneigh_get_next-skips-published-entry
net/core/neighbour.c
--- a/net/core/neighbour.c~neighbourc-pneigh_get_next-skips-published-entry
+++ a/net/core/neighbour.c
@@ -2209,6 +2209,12 @@ static struct pneigh_entry *pneigh_get_n
struct neigh_seq_state *state = seq->private;
struct neigh_table *tbl = state->tbl;
+ if (pos != NULL && *pos == 1 &&
+ (pn->next || tbl->phash_buckets[state->bucket])) {
+ --(*pos);
+ return pn;
+ }
+
pn = pn->next;
while (!pn) {
if (++state->bucket > PNEIGH_HASHMASK)
_
-
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