xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

net/tcp: switch ->md5_parse to sockptr_t

Browse Source 
Pass a sockptr_t to prepare for set_fs-less handling of the kernel
pointer from bpf-cgroup.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Christoph Hellwig
2020-07-23 08:09:05 +02:00
committed by David S. Miller
parent 91ac1ccaff
commit d4c19c4914
4 changed files with 7 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
net/ipv6/tcp_ipv6.c
View File

@@ -567,7 +567,7 @@ static struct tcp_md5sig_key *tcp_v6_md5_lookup(const struct sock *sk,
}
static int tcp_v6_parse_md5_keys(struct sock *sk, int optname,
char __user *optval, int optlen)
sockptr_t optval, int optlen)
{
struct tcp_md5sig cmd;
struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&cmd.tcpm_addr;
@@ -577,7 +577,7 @@ static int tcp_v6_parse_md5_keys(struct sock *sk, int optname,
if (optlen < sizeof(cmd))
return -EINVAL;
if (copy_from_user(&cmd, optval, sizeof(cmd)))
if (copy_from_sockptr(&cmd, optval, sizeof(cmd)))
return -EFAULT;
if (sin6->sin6_family != AF_INET6)