| Date | Tue, 26 Mar 2013 13:21:35 -0400 | From | Steven Rostedt <> | Subject | [PATCH 36/86] sunvdc: Fix off-by-one in generic_request(). |
| |
3.6.11.1 stable review patch. If anyone has any objections, please let me know.
------------------
From: "David S. Miller" <davem@davemloft.net>
[ Upstream commit f4d9605434c0fd4cc8639bf25cfc043418c52362 ]
The 'operations' bitmap corresponds one-for-one with the operation codes, no adjustment is necessary.
Reported-by: Mark Kettenis <mark.kettenis@xs4all.nl> Signed-off-by: David S. Miller <davem@davemloft.net> --- drivers/block/sunvdc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 9dcf76a..31dd451 100644 --- a/drivers/block/sunvdc.c +++ b/drivers/block/sunvdc.c @@ -461,7 +461,7 @@ static int generic_request(struct vdc_port *port, u8 op, void *buf, int len) int op_len, err; void *req_buf; - if (!(((u64)1 << ((u64)op - 1)) & port->operations)) + if (!(((u64)1 << (u64)op) & port->operations)) return -EOPNOTSUPP; switch (op) { -- 1.7.10.4
|