[PATCH] bcache: work around a __bitwise to bool conversion sparse warning

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Sparse is a bit dumb about bitwise operation on __bitwise types used
in boolean contexts.  Add a !! to explicitly propagate to boolean
without a warning.

Fixes: fcf865e357f8 ("block: convert features and flags to __bitwise types")
Reported-by: kernel test robot <lkp@xxxxxxxxx>
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
 drivers/md/bcache/super.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/md/bcache/super.c b/drivers/md/bcache/super.c
index 283b2511c6d21f..b5d6ef430b86fc 100644
--- a/drivers/md/bcache/super.c
+++ b/drivers/md/bcache/super.c
@@ -1416,8 +1416,8 @@ static int cached_dev_init(struct cached_dev *dc, unsigned int block_size)
 	}
 
 	if (bdev_io_opt(dc->bdev))
-		dc->partial_stripes_expensive = q->limits.features &
-			BLK_FEAT_RAID_PARTIAL_STRIPES_EXPENSIVE;
+		dc->partial_stripes_expensive = !!(q->limits.features &
+			BLK_FEAT_RAID_PARTIAL_STRIPES_EXPENSIVE);
 
 	ret = bcache_device_init(&dc->disk, block_size,
 			 bdev_nr_sectors(dc->bdev) - dc->sb.data_offset,
-- 
2.43.0





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