summaryrefslogtreecommitdiff
path: root/net/core/sock_reuseport.c
diff options
context:
space:
mode:
authorDmitry Antipov <dmantipov@yandex.ru>2024-08-01 17:23:11 +0300
committerJakub Kicinski <kuba@kernel.org>2024-08-02 17:16:59 -0700
commitf94074687d05aea10b50c4f4055a19d9d0c3bd27 (patch)
treed95db90595b4d8a5e70ebe7f5d8dd3e62c343038 /net/core/sock_reuseport.c
parent6555a2a9212be6983d2319d65276484f7c5f431a (diff)
net: core: annotate socks of struct sock_reuseport with __counted_by
According to '__reuseport_alloc()', annotate flexible array member 'sock' of 'struct sock_reuseport' with '__counted_by()' and use convenient 'struct_size()' to simplify the math used in 'kzalloc()'. Signed-off-by: Dmitry Antipov <dmantipov@yandex.ru> Reviewed-by: Gustavo A. R. Silva <gustavoars@kernel.org> Reviewed-by: Kuniyuki Iwashima <kuniyu@amazon.com> Link: https://patch.msgid.link/20240801142311.42837-1-dmantipov@yandex.ru Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/core/sock_reuseport.c')
-rw-r--r--net/core/sock_reuseport.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/net/core/sock_reuseport.c b/net/core/sock_reuseport.c
index 5a165286e4d8..4211710393a8 100644
--- a/net/core/sock_reuseport.c
+++ b/net/core/sock_reuseport.c
@@ -173,10 +173,9 @@ static bool __reuseport_detach_closed_sock(struct sock *sk,
static struct sock_reuseport *__reuseport_alloc(unsigned int max_socks)
{
- unsigned int size = sizeof(struct sock_reuseport) +
- sizeof(struct sock *) * max_socks;
- struct sock_reuseport *reuse = kzalloc(size, GFP_ATOMIC);
+ struct sock_reuseport *reuse;
+ reuse = kzalloc(struct_size(reuse, socks, max_socks), GFP_ATOMIC);
if (!reuse)
return NULL;