[SCSI] st: fix kernel BUG at include/linux/scatterlist.h:59!

This is caused by a missing scatterlist initialisation (it only shows
up when sg list handling debugging is turned on).

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Kai Makisara <Kai.Makisara@kolumbus.fi>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 98dfd6e..328c47c 100644 (file)
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -3611,6 +3611,7 @@ static struct st_buffer *
 
        tb->dma = need_dma;
        tb->buffer_size = got;
+       sg_init_table(tb->sg, max_sg);
 
        return tb;
 }