From f3dd53558bce416827f6cd88dc7bb661bc3081c5 Mon Sep 17 00:00:00 2001 From: Andrei Gherzan Date: Wed, 1 Feb 2023 00:16:10 +0000 Subject: [PATCH] selftests: net: udpgso_bench_rx: Fix 'used uninitialized' compiler warning MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit stable inclusion from stable-v5.10.168 commit a4a493e599e362ec7c890a516bf4425b1f45d540 category: bugfix bugzilla: https://gitee.com/openeuler/kernel/issues/I7URR4 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=a4a493e599e362ec7c890a516bf4425b1f45d540 ---------------------------------------------------- [ Upstream commit c03c80e3a03ffb4f790901d60797e9810539d946 ] This change fixes the following compiler warning: /usr/include/x86_64-linux-gnu/bits/error.h:40:5: warning: ‘gso_size’ may be used uninitialized [-Wmaybe-uninitialized] 40 | __error_noreturn (__status, __errnum, __format, __va_arg_pack ()); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ udpgso_bench_rx.c: In function ‘main’: udpgso_bench_rx.c:253:23: note: ‘gso_size’ was declared here 253 | int ret, len, gso_size, budget = 256; Fixes: 3327a9c46352 ("selftests: add functionals test for UDP GRO") Signed-off-by: Andrei Gherzan Reviewed-by: Willem de Bruijn Link: https://lore.kernel.org/r/20230201001612.515730-1-andrei.gherzan@canonical.com Signed-off-by: Paolo Abeni Signed-off-by: Sasha Levin Signed-off-by: zhaoxiaoqiang11 --- tools/testing/selftests/net/udpgso_bench_rx.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/net/udpgso_bench_rx.c b/tools/testing/selftests/net/udpgso_bench_rx.c index 6a193425c367..d0895bd1933f 100644 --- a/tools/testing/selftests/net/udpgso_bench_rx.c +++ b/tools/testing/selftests/net/udpgso_bench_rx.c @@ -250,7 +250,7 @@ static int recv_msg(int fd, char *buf, int len, int *gso_size) static void do_flush_udp(int fd) { static char rbuf[ETH_MAX_MTU]; - int ret, len, gso_size, budget = 256; + int ret, len, gso_size = 0, budget = 256; len = cfg_read_all ? sizeof(rbuf) : 0; while (budget--) { -- GitLab