aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2013-02-14 11:49:01 -0800
committerDavid S. Miller <davem@davemloft.net>2013-02-14 11:49:01 -0800
commitf4d9605434c0fd4cc8639bf25cfc043418c52362 (patch)
treea6708f603da9d453b7d814c11c8bc6020f7402e0
parent89a77915e0f56dc7b9f9082ba787895b6a83f809 (diff)
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>
-rw-r--r--drivers/block/sunvdc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index 564156a8e57..5814deb6963 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) {