Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[linux.git] / include / linux / bio.h
index 21e27208316ce9ee847a9d32da595184eddbabd0..bba5508269219a0726ede9f97cc3d22afa97f213 100644 (file)
@@ -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))