Hello Ed L. Cashin
when compiling with EXTRA_CFLAGS=-W
get the warning:
drivers/block/aoe/aoecmd.c:931:20: warning: ‘bv’ is used uninitialized in
this function [-Wuninitialized]
bv is really not initialized.
(and it seems only set "buf->bv_resid = 0" is not enough).
thanks.
gchen.
919 static void
920 bufinit(struct buf *buf, struct request *rq, struct bio *bio)
921 {
922 struct bio_vec *bv;
923
924 memset(buf, 0, sizeof(*buf));
925 buf->rq = rq;
926 buf->bio = bio;
927 buf->resid = bio->bi_size;
928 buf->sector = bio->bi_sector;
929 bio_pageinc(bio);
930 buf->bv = bio_iovec(bio);
931 buf->bv_resid = bv->bv_len;
932 WARN_ON(buf->bv_resid == 0);
933 }
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