linux-kernel - [PATCH] bpf: Initialize ret to 0 inside btf_populate_kfunc

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Date:   Sat, 19 Feb 2022 22:09:15 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     ast@...nel.org, daniel@...earbox.net, andrii@...nel.org,
        kafai@...com, songliubraving@...com, yhs@...com,
        john.fastabend@...il.com, kpsingh@...nel.org, memxor@...il.com
Cc:     netdev@...r.kernel.org, bpf@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        "Souptick Joarder (HPE)" <jrdr.linux@...il.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] bpf: Initialize ret to 0 inside btf_populate_kfunc_set()

From: "Souptick Joarder (HPE)" <jrdr.linux@...il.com>

Kernel test robot reported below error ->

kernel/bpf/btf.c:6718 btf_populate_kfunc_set()
error: uninitialized symbol 'ret'.

Initialize ret to 0.

Fixes: 	dee872e124e8 ("bpf: Populate kfunc BTF ID sets in struct btf")
Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Souptick Joarder (HPE) <jrdr.linux@...il.com>
---
 kernel/bpf/btf.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/bpf/btf.c b/kernel/bpf/btf.c
index 02d7014417a0..2c4c5dbe2abe 100644
--- a/kernel/bpf/btf.c
+++ b/kernel/bpf/btf.c
@@ -6706,7 +6706,7 @@ static int btf_populate_kfunc_set(struct btf *btf, enum btf_kfunc_hook hook,
 				  const struct btf_kfunc_id_set *kset)
 {
 	bool vmlinux_set = !btf_is_module(btf);
-	int type, ret;
+	int type, ret = 0;
 
 	for (type = 0; type < ARRAY_SIZE(kset->sets); type++) {
 		if (!kset->sets[type])
-- 
2.25.1