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author | Christoph Hellwig <hch@lst.de> | 2020-07-23 08:09:07 +0200 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2020-07-24 15:41:54 -0700 |
commit | a7b75c5a8c41445f33efb663887ff5f5c3b4454b (patch) | |
tree | a87e011ba3a0d76fda030b3a62080caa97fae1ef /net/rxrpc/key.c | |
parent | d38d2b00ba64b3f2f30d70a7929000606d2c4509 (diff) | |
download | lwn-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.gz lwn-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.zip |
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/rxrpc/key.c')
-rw-r--r-- | net/rxrpc/key.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/net/rxrpc/key.c b/net/rxrpc/key.c index 0c98313dd7a8..94c3df392651 100644 --- a/net/rxrpc/key.c +++ b/net/rxrpc/key.c @@ -896,7 +896,7 @@ static void rxrpc_describe(const struct key *key, struct seq_file *m) /* * grab the security key for a socket */ -int rxrpc_request_key(struct rxrpc_sock *rx, char __user *optval, int optlen) +int rxrpc_request_key(struct rxrpc_sock *rx, sockptr_t optval, int optlen) { struct key *key; char *description; @@ -906,7 +906,7 @@ int rxrpc_request_key(struct rxrpc_sock *rx, char __user *optval, int optlen) if (optlen <= 0 || optlen > PAGE_SIZE - 1) return -EINVAL; - description = memdup_user_nul(optval, optlen); + description = memdup_sockptr_nul(optval, optlen); if (IS_ERR(description)) return PTR_ERR(description); @@ -926,8 +926,7 @@ int rxrpc_request_key(struct rxrpc_sock *rx, char __user *optval, int optlen) /* * grab the security keyring for a server socket */ -int rxrpc_server_keyring(struct rxrpc_sock *rx, char __user *optval, - int optlen) +int rxrpc_server_keyring(struct rxrpc_sock *rx, sockptr_t optval, int optlen) { struct key *key; char *description; @@ -937,7 +936,7 @@ int rxrpc_server_keyring(struct rxrpc_sock *rx, char __user *optval, if (optlen <= 0 || optlen > PAGE_SIZE - 1) return -EINVAL; - description = memdup_user_nul(optval, optlen); + description = memdup_sockptr_nul(optval, optlen); if (IS_ERR(description)) return PTR_ERR(description); |