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authorPeter Zijlstra <peterz@infradead.org>2021-10-07 00:40:17 +0200
committerPeter Zijlstra <peterz@infradead.org>2021-10-07 00:40:17 +0200
commitb08cadbd3b8721db738d9a00ef3ce3ed667e6d9c (patch)
tree1b44ef760764ea19f82fd80088135d23ab565d2d /net/ipv4/tcp_input.c
parentobjtool: Support pv_opsindirect calls for noinstr (diff)
parentobjtool: Remove redundant 'len' field from struct section (diff)
downloadlinux-dev-b08cadbd3b8721db738d9a00ef3ce3ed667e6d9c.tar.xz
linux-dev-b08cadbd3b8721db738d9a00ef3ce3ed667e6d9c.zip
Merge branch 'objtool/urgent'
Fixup conflicts. # Conflicts: # tools/objtool/check.c
Diffstat (limited to 'net/ipv4/tcp_input.c')
-rw-r--r--net/ipv4/tcp_input.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 3f7bd7ae7d7a..141e85e6422b 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -1346,7 +1346,7 @@ static u8 tcp_sacktag_one(struct sock *sk,
if (dup_sack && (sacked & TCPCB_RETRANS)) {
if (tp->undo_marker && tp->undo_retrans > 0 &&
after(end_seq, tp->undo_marker))
- tp->undo_retrans--;
+ tp->undo_retrans = max_t(int, 0, tp->undo_retrans - pcount);
if ((sacked & TCPCB_SACKED_ACKED) &&
before(start_seq, state->reord))
state->reord = start_seq;