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Subject[PATCH] blk-mq: use force attribute for blk_status_t casts
Fixes sparse warnings:
block/blk-mq.c:1163:36: sparse:
warning: cast from restricted blk_status_t
block/blk-mq.c:1251:17: sparse:
warning: cast to restricted blk_status_t

Signed-off-by: Vasily Averin <vvs@openvz.org>
---
block/blk-mq.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/blk-mq.c b/block/blk-mq.c
index 84d749511f55..1b887f2d4a19 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -1160,7 +1160,7 @@ static void blk_end_sync_rq(struct request *rq, blk_status_t error)
{
struct completion *waiting = rq->end_io_data;

- rq->end_io_data = (void *)(uintptr_t)error;
+ rq->end_io_data = (void *)(__force uintptr_t)error;

/*
* complete last, if this is a stack request the process (and thus
@@ -1248,7 +1248,7 @@ blk_status_t blk_execute_rq(struct request *rq, bool at_head)
else
wait_for_completion_io(&wait);

- return (blk_status_t)(uintptr_t)rq->end_io_data;
+ return (__force blk_status_t)(uintptr_t)rq->end_io_data;
}
EXPORT_SYMBOL(blk_execute_rq);

--
2.31.1
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