From mboxrd@z Thu Jan 1 00:00:00 1970 From: Leon Romanovsky Subject: [PATCH rdma-next V1 2/5] IB/core: Remove unnecessary check in ibnl_rcv_msg Date: Fri, 6 May 2016 16:07:03 +0300 Message-ID: <1462540026-12012-3-git-send-email-leon@kernel.org> References: <1462540026-12012-1-git-send-email-leon@kernel.org> Return-path: In-Reply-To: <1462540026-12012-1-git-send-email-leon-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org> Sender: linux-rdma-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org To: dledford-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org Cc: linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, markb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, majd-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, matanb-VPRAkNaXOzVWk0Htik3J/w@public.gmane.org, Leon Romanovsky List-Id: linux-rdma@vger.kernel.org From: Mark Bloch 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 Reviewed-by: Leon Romanovsky Signed-off-by: Leon Romanovsky --- drivers/infiniband/core/netlink.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) 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 @@ static int ibnl_rcv_msg(struct sk_buff *skb, struct nlmsghdr *nlh) 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; /* -- 2.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-rdma" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html