From 9c156ab9ca53e5fc15730a10d1773da04ea59d4d Mon Sep 17 00:00:00 2001
From: David Sterba <dsterba@suse.com>
Date: Wed, 3 Apr 2024 23:13:54 +0200
Subject: [PATCH] btrfs-progs: string-table: fix memory leak on exit path in
 table_vprintf()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Reported by 'gcc -fanalyzer:
common/string-table.c:62:17: warning: leak of ‘msg’ [CWE-401] [-Wanalyzer-malloc-leak]

The 'msg' still allocated when returning from the function due to error,
free it.

Signed-off-by: David Sterba <dsterba@suse.com>
---
 common/string-table.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/common/string-table.c b/common/string-table.c
index 298066ce..6d941fa8 100644
--- a/common/string-table.c
+++ b/common/string-table.c
@@ -57,6 +57,7 @@ char *table_vprintf(struct string_table *tab, unsigned int column, unsigned int
 		return NULL;
 
 	if (column >= tab->ncols || row >= tab->nrows) {
+		free(msg);
 		error("attempt to write outside of table: col %u row %u fmt %s",
 			column, row, fmt);
 		return NULL;