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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-09-14 10:10:55 +0200
commitfccee0baced04636952cd580ddee4bb8cbb9544c (patch)
tree80e25c0e100246357bd0c0a93feb1bf2e5e5bd1d /include/linux/bvec.h
parenta5a6d2753e7ec18a34bd21190b50ee7f085f4daf (diff)
parent856deb866d16e29bd65952e0289066f6078af773 (diff)
Merge 5.9-rc5 into usb-next
We need the USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include/linux/bvec.h')
-rw-r--r--include/linux/bvec.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/bvec.h b/include/linux/bvec.h
index ac0c7299d5b8..dd74503f7e5e 100644
--- a/include/linux/bvec.h
+++ b/include/linux/bvec.h
@@ -117,11 +117,18 @@ static inline bool bvec_iter_advance(const struct bio_vec *bv,
return true;
}
+static inline void bvec_iter_skip_zero_bvec(struct bvec_iter *iter)
+{
+ iter->bi_bvec_done = 0;
+ iter->bi_idx++;
+}
+
#define for_each_bvec(bvl, bio_vec, iter, start) \
for (iter = (start); \
(iter).bi_size && \
((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
- bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len))
+ (bvl).bv_len ? (void)bvec_iter_advance((bio_vec), &(iter), \
+ (bvl).bv_len) : bvec_iter_skip_zero_bvec(&(iter)))
/* for iterating one bio from start to end */
#define BVEC_ITER_ALL_INIT (struct bvec_iter) \