On Fri, Mar 16, 2018 at 5:32 AM, Kyle Spiers <kyle@xxxxxxxxx> wrote: > As part of the effort to remove VLAs from the kernel[1], this moves > the literal values into the stack array calculation instead of using a > variable for the sizing. The resulting size can be found from > sizeof(buf). > > [1] https://lkml.org/lkml/2018/3/7/621 > > Signed-off-by: Kyle Spiers <kyle@xxxxxxxxx> > --- > drivers/block/rbd.c | 8 ++++---- > 1 file changed, 4 insertions(+), 4 deletions(-) > > diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c > index 8e40da0..0e94e1f 100644 > --- a/drivers/block/rbd.c > +++ b/drivers/block/rbd.c > @@ -3100,8 +3100,8 @@ static int __rbd_notify_op_lock(struct rbd_device *rbd_dev, > { > struct ceph_osd_client *osdc = &rbd_dev->rbd_client->client->osdc; > struct rbd_client_id cid = rbd_get_cid(rbd_dev); > - int buf_size = 4 + 8 + 8 + CEPH_ENCODING_START_BLK_LEN; > - char buf[buf_size]; > + char buf[4 + 4 + 8 + 8 + CEPH_ENCODING_START_BLK_LEN]; Where is this extra 4 came from? > + int buf_size = sizeof(buf) A semicolon is missing here. Did you compile this patch? Thanks, Ilya -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html