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-rw-r--r--block/bio.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/block/bio.c b/block/bio.c
index b832151cd0bf..04969b392c72 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -158,7 +158,7 @@ out:
unsigned int bvec_nr_vecs(unsigned short idx)
{
- return bvec_slabs[idx].nr_vecs;
+ return bvec_slabs[--idx].nr_vecs;
}
void bvec_free(mempool_t *pool, struct bio_vec *bv, unsigned int idx)