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 <[email protected]> Signed-off-by: David S. Miller <[email protected]>
gunnarahlberg · Feb 14, 2013 · f4d9605 · f4d9605
1 parent 89a7791
commit f4d9605
Showing 1 changed file with 1 addition and 1 deletion.
diff --git 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) {