From fcf741584a562aaa89b0ace71f410b1c1a3e5193 Mon Sep 17 00:00:00 2001 From: Weimin Xiong Date: Thu, 16 Jul 2026 10:51:02 +0800 Subject: [PATCH] tcp: Use kvmalloc_array() for BPF iterator batches Use kvmalloc_array() instead of open-coding the element-size multiplication when allocating the TCP BPF iterator batch. Signed-off-by: Weimin Xiong Signed-off-by: Andrii Nakryiko --- net/ipv4/tcp_ipv4.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c index b8887cdd66c5..127c90e6f561 100644 --- a/net/ipv4/tcp_ipv4.c +++ b/net/ipv4/tcp_ipv4.c @@ -2931,8 +2931,8 @@ static int bpf_iter_tcp_realloc_batch(struct bpf_tcp_iter_state *iter, { union bpf_tcp_iter_batch_item *new_batch; - new_batch = kvmalloc(sizeof(*new_batch) * new_batch_sz, - flags | __GFP_NOWARN); + new_batch = kvmalloc_array(new_batch_sz, sizeof(*new_batch), + flags | __GFP_NOWARN); if (!new_batch) return -ENOMEM;