[PATCH 1/1] fat: initialize ret in disk_rw()

[Heinrich Schuchardt]

If fat_sect_size = 0 and nr_sect = 0, the value of ret is never intialized.
A random return value is returned.

Initialize ret to 0.

Addresses-Coverity-ID: - 645495 Uninitialized scalar variable
Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt at canonical.com>
---
 fs/fat/fat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/fat/fat.c b/fs/fat/fat.c
index 31c136e3b9e..c1ccf30771a 100644
--- a/fs/fat/fat.c
+++ b/fs/fat/fat.c
@@ -71,7 +71,7 @@ static inline __u32 sect_to_block(__u32 sect, __u32 *off)
 
 static int disk_rw(__u32 sect, __u32 nr_sect, void *buf, bool read)
 {
-	int ret;
+	int ret = 0;
 	__u8 *block = NULL;
 	__u32 rem, size, s, n;
 	const ulong blksz = cur_part_info.blksz;
-- 
2.53.0