sunvdc: Fix off-by-one in generic_request().

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>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 564156a8e572..5814deb6963d 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) {