IB/core: Remove unnecessary check in ibnl_rcv_msg
RDMA_NL_GET_OP is defined like this: (type & ((1 << 10) - 1))
which means op (defined as an int) can never be a negative number.
Fixes: b2cbae2c2487 ('RDMA: Add netlink infrastructure')
Signed-off-by: Mark Bloch <markb@mellanox.com>
Reviewed-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/infiniband/core/netlink.c b/drivers/infiniband/core/netlink.c
index d47df93..9b8c20c 100644
--- a/drivers/infiniband/core/netlink.c
+++ b/drivers/infiniband/core/netlink.c
@@ -151,12 +151,11 @@
struct ibnl_client *client;
int type = nlh->nlmsg_type;
int index = RDMA_NL_GET_CLIENT(type);
- int op = RDMA_NL_GET_OP(type);
+ unsigned int op = RDMA_NL_GET_OP(type);
list_for_each_entry(client, &client_list, list) {
if (client->index == index) {
- if (op < 0 || op >= client->nops ||
- !client->cb_table[op].dump)
+ if (op >= client->nops || !client->cb_table[op].dump)
return -EINVAL;
/*