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| author |   Christoph Hellwig <hch@lst.de> | 2020-07-23 08:08:55 +0200 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2020-07-24 15:41:54 -0700 |
| commit | b03afaa82ece13b2a008f0e3a7127bead578e3e6 (patch) | |
| tree | d34d7c6c990946d126e74053cdd8d37291dbe48e /net/ipv4/bpfilter | |
| parent | netfilter: switch nf_setsockopt to sockptr_t (diff) | |
| download | wireguard-linux-b03afaa82ece13b2a008f0e3a7127bead578e3e6.tar.xz wireguard-linux-b03afaa82ece13b2a008f0e3a7127bead578e3e6.zip | |
bpfilter: switch bpfilter_ip_set_sockopt to sockptr_t
This is mostly to prepare for cleaning up the callers, as bpfilter by
design can't handle kernel pointers.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/bpfilter')
| -rw-r--r-- | net/ipv4/bpfilter/sockopt.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/net/ipv4/bpfilter/sockopt.c b/net/ipv4/bpfilter/sockopt.c index 9063c6767d34..1b34cb9a7708 100644 --- a/net/ipv4/bpfilter/sockopt.c +++ b/net/ipv4/bpfilter/sockopt.c @@ -21,8 +21,7 @@ void bpfilter_umh_cleanup(struct umd_info *info) } EXPORT_SYMBOL_GPL(bpfilter_umh_cleanup); -static int bpfilter_mbox_request(struct sock *sk, int optname, - char __user *optval, +static int bpfilter_mbox_request(struct sock *sk, int optname, sockptr_t optval, unsigned int optlen, bool is_set) { int err; @@ -52,7 +51,7 @@ out: return err; } -int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char __user *optval, +int bpfilter_ip_set_sockopt(struct sock *sk, int optname, sockptr_t optval, unsigned int optlen) { return bpfilter_mbox_request(sk, optname, optval, optlen, true); @@ -66,7 +65,8 @@ int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval, if (get_user(len, optlen)) return -EFAULT; - return bpfilter_mbox_request(sk, optname, optval, len, false); + return bpfilter_mbox_request(sk, optname, USER_SOCKPTR(optval), len, + false); } static int __init bpfilter_sockopt_init(void) |