X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Fbio.c;h=98711647ece49548a94409a99ce4b680ee085ca1;hb=afc1e702e8e8355faa712d4e90d9afe26a4995a5;hp=7bbc98f0eda151d27e22a720998a5f8480ce78f6;hpb=ff91fad2db543325d7221c26ff42d7df3c574064;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/bio.c b/fs/bio.c
index 7bbc98f0eda1..98711647ece4 100644
--- a/fs/bio.c
+++ b/fs/bio.c
@@ -817,6 +817,9 @@ struct bio *bio_copy_user_iov(struct request_queue *q,
 		len += iov[i].iov_len;
 	}
 
+	if (offset)
+		nr_pages++;
+
 	bmd = bio_alloc_map_data(nr_pages, iov_count, gfp_mask);
 	if (!bmd)
 		return ERR_PTR(-ENOMEM);