linux-kernel - [PATCH] btrfs: Initialize ret to 0 in scrub_simple

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Date:   Sun, 20 Feb 2022 20:16:06 +0530
From:   Souptick Joarder <jrdr.linux@...il.com>
To:     clm@...com, josef@...icpanda.com, dsterba@...e.com,
        nathan@...nel.org, ndesaulniers@...gle.com
Cc:     linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
        llvm@...ts.linux.dev,
        "Souptick Joarder (HPE)" <jrdr.linux@...il.com>,
        kernel test robot <lkp@...el.com>
Subject: [PATCH] btrfs: Initialize ret to 0 in scrub_simple_mirror()

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

Kernel test robot reported below warning ->
fs/btrfs/scrub.c:3439:2: warning: Undefined or garbage value
returned to caller [clang-analyzer-core.uninitialized.UndefReturn]

Initialize ret to 0.

Reported-by: kernel test robot <lkp@...el.com>
Signed-off-by: Souptick Joarder (HPE) <jrdr.linux@...il.com>
---
 fs/btrfs/scrub.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 4baa8e43d585..5ca7e5ffbc96 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -3325,7 +3325,7 @@ static int scrub_simple_mirror(struct scrub_ctx *sctx,
 	const u32 max_length = SZ_64K;
 	struct btrfs_path path = {};
 	u64 cur_logical = logical_start;
-	int ret;
+	int ret = 0;
 
 	/* The range must be inside the bg */
 	ASSERT(logical_start >= bg->start &&
-- 
2.25.1