As reported by the Coverity static analysis.
The variable zone is not initialized which
may causes a failed assertion.
Addresses-Coverity: ("Uninitialized variables")
Signed-off-by: Khaled ROMDHANI <khaledromdhani216@xxxxxxxxx>
---
v3: catch default as an assertion failure
as proposed by David Sterba.
---
fs/btrfs/zoned.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/fs/btrfs/zoned.c b/fs/btrfs/zoned.c
index 70b23a0d03b1..432509f4b3ac 100644
--- a/fs/btrfs/zoned.c
+++ b/fs/btrfs/zoned.c
@@ -143,6 +143,9 @@ static inline u32 sb_zone_number(int shift, int mirror)
case 0: zone = 0; break;
case 1: zone = 1ULL << (BTRFS_SB_LOG_FIRST_SHIFT - shift); break;
case 2: zone = 1ULL << (BTRFS_SB_LOG_SECOND_SHIFT - shift); break;
+ default:
+ ASSERT(zone);
+ break;
}
ASSERT(zone <= U32_MAX);
--
2.17.1
