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https://github.com/openwrt/openwrt.git
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52 lines
2.2 KiB
Diff
52 lines
2.2 KiB
Diff
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From 7b7da251149dd5fd070255dbf45f8e4f5c2110b8 Mon Sep 17 00:00:00 2001
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From: "Jason A. Donenfeld" <Jason@zx2c4.com>
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Date: Wed, 6 May 2020 15:33:05 -0600
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Subject: [PATCH 101/124] wireguard: selftests: initalize ipv6 members to NULL
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to squelch clang warning
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commit 4fed818ef54b08d4b29200e416cce65546ad5312 upstream.
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Without setting these to NULL, clang complains in certain
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configurations that have CONFIG_IPV6=n:
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In file included from drivers/net/wireguard/ratelimiter.c:223:
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drivers/net/wireguard/selftest/ratelimiter.c:173:34: error: variable 'skb6' is uninitialized when used here [-Werror,-Wuninitialized]
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ret = timings_test(skb4, hdr4, skb6, hdr6, &test_count);
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^~~~
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drivers/net/wireguard/selftest/ratelimiter.c:123:29: note: initialize the variable 'skb6' to silence this warning
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struct sk_buff *skb4, *skb6;
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^
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= NULL
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drivers/net/wireguard/selftest/ratelimiter.c:173:40: error: variable 'hdr6' is uninitialized when used here [-Werror,-Wuninitialized]
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ret = timings_test(skb4, hdr4, skb6, hdr6, &test_count);
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^~~~
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drivers/net/wireguard/selftest/ratelimiter.c:125:22: note: initialize the variable 'hdr6' to silence this warning
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struct ipv6hdr *hdr6;
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^
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We silence this warning by setting the variables to NULL as the warning
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suggests.
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Reported-by: Arnd Bergmann <arnd@arndb.de>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
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---
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drivers/net/wireguard/selftest/ratelimiter.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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--- a/drivers/net/wireguard/selftest/ratelimiter.c
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+++ b/drivers/net/wireguard/selftest/ratelimiter.c
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@@ -120,9 +120,9 @@ bool __init wg_ratelimiter_selftest(void
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enum { TRIALS_BEFORE_GIVING_UP = 5000 };
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bool success = false;
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int test = 0, trials;
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- struct sk_buff *skb4, *skb6;
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+ struct sk_buff *skb4, *skb6 = NULL;
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struct iphdr *hdr4;
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- struct ipv6hdr *hdr6;
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+ struct ipv6hdr *hdr6 = NULL;
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if (IS_ENABLED(CONFIG_KASAN) || IS_ENABLED(CONFIG_UBSAN))
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return true;
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