The following patch fixes 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.
Please review and commit if acceptable.
Signed-off-by: Jari Takkala <[EMAIL PROTECTED]>
--- linux-2.6.16.15.orig/net/core/neighbour.c 2006-05-09
15:53:30.000000000 -0400
+++ linux-2.6.16.15/net/core/neighbour.c 2006-05-10
16:06:40.000000000 -0400
@@ -2120,6 +2120,11 @@
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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