Commit 12adffe6 authored by Josef Bacik's avatar Josef Bacik Committed by David Sterba
Browse files

btrfs: fix uninitialized variable warning in btrfs_sb_log_location 



We only have 3 possible mirrors, and we have ASSERT()'s to make sure
we're not passing in an invalid super mirror into this function, so
technically this value isn't uninitialized.  However
-Wmaybe-uninitialized will complain, so set it to U64_MAX so if we don't
have ASSERT()'s turned on it'll error out later on when it see's the
zone is beyond our maximum zones.

Reviewed-by: default avatarNaohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 59864325

fs/btrfs/zoned.c

+1 −1
Original line number Diff line number Diff line
@@ -160,7 +160,7 @@ static int sb_write_pointer(struct block_device *bdev, struct blk_zone *zones, 
 */

static inline u32 sb_zone_number(int shift, int mirror)

{

	u64 zone;

	u64 zone = U64_MAX;



	ASSERT(mirror < BTRFS_SUPER_MIRROR_MAX);

	switch (mirror) {