---
drivers/md/dm-bufio.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/md/dm-bufio.c b/drivers/md/dm-bufio.c
index 942dc59..4ecb8b8 100644
--- a/drivers/md/dm-bufio.c
+++ b/drivers/md/dm-bufio.c
@@ -213,7 +213,7 @@ static void cache_size_refresh(void)
* Modify dm_bufio_cache_size to report the real used cache
* size to the user.
*/
- cmpxchg(&dm_bufio_cache_size, 0, dm_bufio_default_cache_size);
+ (void)cmpxchg(&dm_bufio_cache_size, 0, dm_bufio_default_cache_size);
dm_bufio_cache_size_latch = dm_bufio_default_cache_size;
}
dm_bufio_cache_size_per_client = dm_bufio_cache_size_latch /
@@ -841,7 +841,7 @@ static void write_endio(struct bio *bio, int error)
b->write_error = error;
if (unlikely(error)) {
struct dm_bufio_client *c = b->c;
- cmpxchg(&c->async_write_error, 0, error);
+ (void)cmpxchg(&c->async_write_error, 0, error);
}
BUG_ON(!test_bit(B_WRITING, &b->state));
smp_mb__before_clear_bit();
--
1.7.4.4
--
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