diff options
| 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/tls | |
| parent | net/tcp: switch do_tcp_setsockopt to sockptr_t (diff) | |
| download | linux-dev-a7b75c5a8c41445f33efb663887ff5f5c3b4454b.tar.xz linux-dev-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/tls')
| -rw-r--r-- | net/tls/tls_main.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/net/tls/tls_main.c b/net/tls/tls_main.c index ec10041c6b7d..d77f7d821130 100644 --- a/net/tls/tls_main.c +++ b/net/tls/tls_main.c @@ -450,7 +450,7 @@ static int tls_getsockopt(struct sock *sk, int level, int optname, return do_tls_getsockopt(sk, optname, optval, optlen); } -static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval, +static int do_tls_setsockopt_conf(struct sock *sk, sockptr_t optval, unsigned int optlen, int tx) { struct tls_crypto_info *crypto_info; @@ -460,7 +460,7 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval, int rc = 0; int conf; - if (!optval || (optlen < sizeof(*crypto_info))) { + if (sockptr_is_null(optval) || (optlen < sizeof(*crypto_info))) { rc = -EINVAL; goto out; } @@ -479,7 +479,7 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval, goto out; } - rc = copy_from_user(crypto_info, optval, sizeof(*crypto_info)); + rc = copy_from_sockptr(crypto_info, optval, sizeof(*crypto_info)); if (rc) { rc = -EFAULT; goto err_crypto_info; @@ -522,8 +522,9 @@ static int do_tls_setsockopt_conf(struct sock *sk, char __user *optval, goto err_crypto_info; } - rc = copy_from_user(crypto_info + 1, optval + sizeof(*crypto_info), - optlen - sizeof(*crypto_info)); + sockptr_advance(optval, sizeof(*crypto_info)); + rc = copy_from_sockptr(crypto_info + 1, optval, + optlen - sizeof(*crypto_info)); if (rc) { rc = -EFAULT; goto err_crypto_info; @@ -579,8 +580,8 @@ out: return rc; } -static int do_tls_setsockopt(struct sock *sk, int optname, - char __user *optval, unsigned int optlen) +static int do_tls_setsockopt(struct sock *sk, int optname, sockptr_t optval, + unsigned int optlen) { int rc = 0; @@ -600,7 +601,7 @@ static int do_tls_setsockopt(struct sock *sk, int optname, } static int tls_setsockopt(struct sock *sk, int level, int optname, - char __user *optval, unsigned int optlen) + sockptr_t optval, unsigned int optlen) { struct tls_context *ctx = tls_get_ctx(sk); |