From 2b8221e181c128ac3bc7a9cdc80db04884951e89 Mon Sep 17 00:00:00 2001 From: Kent Overstreet Date: Tue, 3 Dec 2013 14:29:09 -0700 Subject: [PATCH] block: Really silence spurious compiler warnings The uninitialized_var() macro appears to not work on structs... Get rid of it, and manually initialize instead. Signed-off-by: Kent Overstreet Signed-off-by: Jens Axboe --- block/blk-merge.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/block/blk-merge.c b/block/blk-merge.c index 0b097f6b1778..8f8adaa95466 100644 --- a/block/blk-merge.c +++ b/block/blk-merge.c @@ -86,11 +86,9 @@ EXPORT_SYMBOL(blk_recount_segments); static int blk_phys_contig_segment(struct request_queue *q, struct bio *bio, struct bio *nxt) { - struct bio_vec end_bv, nxt_bv; + struct bio_vec end_bv = { NULL }, nxt_bv; struct bvec_iter iter; - uninitialized_var(end_bv); - if (!blk_queue_cluster(q)) return 0; @@ -170,13 +168,11 @@ new_segment: int blk_rq_map_sg(struct request_queue *q, struct request *rq, struct scatterlist *sglist) { - struct bio_vec bvec, bvprv; + struct bio_vec bvec, bvprv = { NULL }; struct req_iterator iter; struct scatterlist *sg; int nsegs, cluster; - uninitialized_var(bvprv); - nsegs = 0; cluster = blk_queue_cluster(q); @@ -234,13 +230,11 @@ EXPORT_SYMBOL(blk_rq_map_sg); int blk_bio_map_sg(struct request_queue *q, struct bio *bio, struct scatterlist *sglist) { - struct bio_vec bvec, bvprv; + struct bio_vec bvec, bvprv = { NULL }; struct scatterlist *sg; int nsegs, cluster; struct bvec_iter iter; - uninitialized_var(bvprv); - nsegs = 0; cluster = blk_queue_cluster(q); -- 2.30.2