From: Alexei Starovoitov <ast@kernel.org>
Date: Tue, 28 Apr 2020 22:30:48 +0000 (-0700)
Subject: selftests/bpf: fix test_sysctl_prog with alu32
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=9b329d0dbe413bf46eb5010edd06b3076960a60a;p=linux.git

selftests/bpf: fix test_sysctl_prog with alu32

Similar to commit b7a0d65d80a0 ("bpf, testing: Workaround a verifier failure for test_progs")
fix test_sysctl_prog.c as well.

Signed-off-by: Alexei Starovoitov <ast@kernel.org>
---

diff --git a/tools/testing/selftests/bpf/progs/test_sysctl_prog.c b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
index 2d0b0b82a78a2..50525235380e8 100644
--- a/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
+++ b/tools/testing/selftests/bpf/progs/test_sysctl_prog.c
@@ -45,7 +45,7 @@ int sysctl_tcp_mem(struct bpf_sysctl *ctx)
 	unsigned long tcp_mem[3] = {0, 0, 0};
 	char value[MAX_VALUE_STR_LEN];
 	unsigned char i, off = 0;
-	int ret;
+	volatile int ret;
 
 	if (ctx->write)
 		return 0;