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authorChristoph Hellwig <hch@lst.de>2020-07-23 08:09:07 +0200
committerDavid S. Miller <davem@davemloft.net>2020-07-24 15:41:54 -0700
commita7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch)
treea87e011ba3a0d76fda030b3a62080caa97fae1ef /net/ieee802154
parentd38d2b00ba64b3f2f30d70a7929000606d2c4509 (diff)
downloadlinux-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.gz
net: pass a sockptr_t into ->setsockopt
Rework the remaining setsockopt code to pass a sockptr_t instead of a
plain user pointer.  This removes the last remaining set_fs(KERNEL_DS)
outside of architecture specific code.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Stefan Schmidt <stefan@datenfreihafen.org> [ieee802154]
Acked-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ieee802154')
-rw-r--r--net/ieee802154/socket.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ieee802154/socket.c b/net/ieee802154/socket.c
index 94ae9662133e..a45a0401adc5 100644
--- a/net/ieee802154/socket.c
+++ b/net/ieee802154/socket.c
@@ -382,7 +382,7 @@ static int raw_getsockopt(struct sock *sk, int level, int optname,
 }
 
 static int raw_setsockopt(struct sock *sk, int level, int optname,
-			  char __user *optval, unsigned int optlen)
+			  sockptr_t optval, unsigned int optlen)
 {
 	return -EOPNOTSUPP;
 }
@@ -872,7 +872,7 @@ static int dgram_getsockopt(struct sock *sk, int level, int optname,
 }
 
 static int dgram_setsockopt(struct sock *sk, int level, int optname,
-			    char __user *optval, unsigned int optlen)
+			    sockptr_t optval, unsigned int optlen)
 {
 	struct dgram_sock *ro = dgram_sk(sk);
 	struct net *net = sock_net(sk);
@@ -882,7 +882,7 @@ static int dgram_setsockopt(struct sock *sk, int level, int optname,
 	if (optlen < sizeof(int))
 		return -EINVAL;
 
-	if (get_user(val, (int __user *)optval))
+	if (copy_from_sockptr(&val, optval, sizeof(int)))
 		return -EFAULT;
 
 	lock_sock(sk);