linux-kernel - [patch] btrfs: scrub: silence an uninitialized variable warning

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Message-ID: <20160311080856.GB31887@mwanda>
Date:	Fri, 11 Mar 2016 11:08:56 +0300
From:	Dan Carpenter <dan.carpenter@...cle.com>
To:	Chris Mason <clm@...com>
Cc:	Josef Bacik <jbacik@...com>, David Sterba <dsterba@...e.com>,
	linux-btrfs@...r.kernel.org, linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org
Subject: [patch] btrfs: scrub: silence an uninitialized variable warning

It's basically harmless if "ref_level" isn't initialized since it's only
used for an error message, but it causes a static checker warning.

Signed-off-by: Dan Carpenter <dan.carpenter@...cle.com>

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index e42aa27..39dbdcb 100644
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -611,7 +611,7 @@ static void scrub_print_warning(const char *errstr, struct scrub_block *sblock)
 	u64 flags = 0;
 	u64 ref_root;
 	u32 item_size;
-	u8 ref_level;
+	u8 ref_level = 0;
 	int ret;
 
 	WARN_ON(sblock->page_count < 1);