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-rw-r--r--include/linux/bio.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/linux/bio.h b/include/linux/bio.h
index 5a4d39b4686..5aa372a7380 100644
--- a/include/linux/bio.h
+++ b/include/linux/bio.h
@@ -216,9 +216,9 @@ static inline void bvec_iter_advance(struct bio_vec *bv, struct bvec_iter *iter,
}
#define for_each_bvec(bvl, bio_vec, iter, start) \
- for ((iter) = start; \
- (bvl) = bvec_iter_bvec((bio_vec), (iter)), \
- (iter).bi_size; \
+ for (iter = (start); \
+ (iter).bi_size && \
+ ((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \
bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len))