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-rw-r--r--fs/bio.c18
1 files changed, 2 insertions, 16 deletions
diff --git a/fs/bio.c b/fs/bio.c
index d91cfbf7ebc4..aa4d09bd4e71 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -560,10 +560,8 @@ struct bio *bio_copy_user(request_queue_t *q, unsigned long uaddr,
break;
}
- if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes) {
- ret = -EINVAL;
+ if (bio_add_pc_page(q, bio, page, bytes, 0) < bytes)
break;
- }
len -= bytes;
}
@@ -750,7 +748,6 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev,
int write_to_vm)
{
struct bio *bio;
- int len = 0, i;
bio = __bio_map_user_iov(q, bdev, iov, iov_count, write_to_vm);
@@ -765,18 +762,7 @@ struct bio *bio_map_user_iov(request_queue_t *q, struct block_device *bdev,
*/
bio_get(bio);
- for (i = 0; i < iov_count; i++)
- len += iov[i].iov_len;
-
- if (bio->bi_size == len)
- return bio;
-
- /*
- * don't support partial mappings
- */
- bio_endio(bio, bio->bi_size, 0);
- bio_unmap_user(bio);
- return ERR_PTR(-EINVAL);
+ return bio;
}
static void __bio_unmap_user(struct bio *bio)