summaryrefslogtreecommitdiffstats
path: root/fs/buffer.c
diff options
context:
space:
mode:
Diffstat (limited to 'fs/buffer.c')
-rw-r--r--fs/buffer.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/fs/buffer.c b/fs/buffer.c
index 89a4e42b9aad..ce357602f471 100644
--- a/fs/buffer.c
+++ b/fs/buffer.c
@@ -3027,6 +3027,13 @@ void guard_bio_eod(int op, struct bio *bio)
/* Uhhuh. We've got a bio that straddles the device size! */
truncated_bytes = bio->bi_iter.bi_size - (maxsector << 9);
+ /*
+ * The bio contains more than one segment which spans EOD, just return
+ * and let IO layer turn it into an EIO
+ */
+ if (truncated_bytes > bvec->bv_len)
+ return;
+
/* Truncate the bio.. */
bio->bi_iter.bi_size -= truncated_bytes;
bvec->bv_len -= truncated_bytes;