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path: root/drivers/block/aoe/aoecmd.c
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Diffstat (limited to 'drivers/block/aoe/aoecmd.c')
-rw-r--r--drivers/block/aoe/aoecmd.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index f2b8f558e1b..2d0bcdd9669 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -166,6 +166,7 @@ aoecmd_ata_rw(struct aoedev *d, struct frame *f)
d->inprocess = NULL;
} else if (buf->bv_resid == 0) {
buf->bv++;
+ WARN_ON(buf->bv->bv_len == 0);
buf->bv_resid = buf->bv->bv_len;
buf->bufaddr = page_address(buf->bv->bv_page) + buf->bv->bv_offset;
}