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net: __pskb_pull_tail() & pskb_carve_frag_list() drop_monitor friends
author
Eric Dumazet
<edumazet@google.com>
Sun, 20 Feb 2022 15:40:52 +0000
(07:40 -0800)
committer
Jakub Kicinski
<kuba@kernel.org>
Wed, 23 Feb 2022 00:32:35 +0000
(16:32 -0800)
Whenever one of these functions pull all data from an skb in a frag_list,
use consume_skb() instead of kfree_skb() to avoid polluting drop
monitoring.
Fixes:
6fa01ccd8830
("skbuff: Add pskb_extract() helper function")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link:
https://lore.kernel.org/r/20220220154052.1308469-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
net/core/skbuff.c
patch
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diff --git
a/net/core/skbuff.c
b/net/core/skbuff.c
index
6a15ce3
..
b8138c3
100644
(file)
--- a/
net/core/skbuff.c
+++ b/
net/core/skbuff.c
@@
-2276,7
+2276,7
@@
void *__pskb_pull_tail(struct sk_buff *skb, int delta)
/* Free pulled out fragments. */
while ((list = skb_shinfo(skb)->frag_list) != insp) {
skb_shinfo(skb)->frag_list = list->next;
-
kfre
e_skb(list);
+
consum
e_skb(list);
}
/* And insert new clone at head. */
if (clone) {
@@
-6105,7
+6105,7
@@
static int pskb_carve_frag_list(struct sk_buff *skb,
/* Free pulled out fragments. */
while ((list = shinfo->frag_list) != insp) {
shinfo->frag_list = list->next;
-
kfre
e_skb(list);
+
consum
e_skb(list);
}
/* And insert new clone at head. */
if (clone) {