netdev - [PATCH v2 bpf-next] bpfilter: Fix mismatch in function argument types

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Date:   Thu, 19 Jul 2018 15:56:59 +0800
From:   YueHaibing <yuehaibing@...wei.com>
To:     <ast@...nel.org>, <daniel@...earbox.net>
CC:     <linux-kernel@...r.kernel.org>, <netdev@...r.kernel.org>,
        YueHaibing <yuehaibing@...wei.com>
Subject: [PATCH v2 bpf-next] bpfilter: Fix mismatch in function argument types

Fix following warning:
net/ipv4/bpfilter/sockopt.c:28:5: error: symbol 'bpfilter_ip_set_sockopt' redeclared with different type
net/ipv4/bpfilter/sockopt.c:34:5: error: symbol 'bpfilter_ip_get_sockopt' redeclared with different type

Signed-off-by: YueHaibing <yuehaibing@...wei.com>
---
 include/linux/bpfilter.h | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/include/linux/bpfilter.h b/include/linux/bpfilter.h
index 687b176..f02cee0 100644
--- a/include/linux/bpfilter.h
+++ b/include/linux/bpfilter.h
@@ -5,10 +5,10 @@
 #include <uapi/linux/bpfilter.h>
 
 struct sock;
-int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char *optval,
+int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char __user *optval,
 			    unsigned int optlen);
-int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char *optval,
-			    int *optlen);
+int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
+			    int __user *optlen);
 extern int (*bpfilter_process_sockopt)(struct sock *sk, int optname,
 				       char __user *optval,
 				       unsigned int optlen, bool is_set);
-- 
2.7.0