diff options
| author | David S. Miller <davem@davemloft.net> | 2013-02-14 11:49:01 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-02-28 06:59:02 -0800 |
| commit | 5cf5b734496e73c30f43833138078ee7884ec725 (patch) | |
| tree | 072b066d1564c766d02d84ffd0d43f87863e606b | |
| parent | 652328944e2514cd8306a71a2bbac4896efa49ed (diff) | |
sunvdc: Fix off-by-one in generic_request().
[ 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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/block/sunvdc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c index 9dcf76a10bb..31dd45177a7 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) { |