diff options
author | chunx <chunx@nvidia.com> | 2013-07-05 11:42:05 +0800 |
---|---|---|
committer | Dan Willemsen <dwillemsen@nvidia.com> | 2013-09-14 13:40:37 -0700 |
commit | db969bbf31dbb79c0f06497f083b4bad16ad88c7 (patch) | |
tree | 79b3f7b9091cbb454e70b1b0e28585175daa904c /net/socket.c | |
parent | d8461f401990820027131da3ec597361d8906cb8 (diff) |
net: show cmdline in /proc/net/{tcp udp tcp6 udp6}
Get process's cmdline from a sock's corresponding inode pointer,
so that cmdline can't be used by Android active-standby app
to find the corresponding package name.
Bug 1185001
Change-Id: Idc8651e4bb85b8a152dfade9689a719f7d72687d
Signed-off-by: Chun Xu <chunx@nvidia.com>
Reviewed-on: http://git-master/r/253458
(cherry picked from commit 5dcfe4f561bd8d1767e0938dfd7565b2b7718478)
Reviewed-on: http://git-master/r/260013
Reviewed-by: Simone Willett <swillett@nvidia.com>
Tested-by: Simone Willett <swillett@nvidia.com>
Diffstat (limited to 'net/socket.c')
-rw-r--r-- | net/socket.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c index 4ca1526db756..30d6ec51b620 100644 --- a/net/socket.c +++ b/net/socket.c @@ -56,6 +56,8 @@ * paradigm. * * Based upon Swansea University Computer Society NET3.039 + * + * Copyright (c) 2013, NVIDIA CORPORATION. All rights reserved. */ #include <linux/mm.h> @@ -913,6 +915,7 @@ static ssize_t do_sock_read(struct msghdr *msg, struct kiocb *iocb, msg->msg_iov = (struct iovec *)iov; msg->msg_iovlen = nr_segs; msg->msg_flags = (file->f_flags & O_NONBLOCK) ? MSG_DONTWAIT : 0; + SOCK_INODE(sock)->i_private = get_thread_process(current); return __sock_recvmsg(iocb, sock, msg, size, msg->msg_flags); } @@ -1148,6 +1151,7 @@ static unsigned int sock_poll(struct file *file, poll_table *wait) * We can't return errors to poll, so it's either yes or no. */ sock = file->private_data; + SOCK_INODE(sock)->i_private = get_thread_process(current); return sock->ops->poll(file, sock, wait); } @@ -1384,6 +1388,7 @@ SYSCALL_DEFINE3(socket, int, family, int, type, int, protocol) retval = sock_map_fd(sock, flags & (O_CLOEXEC | O_NONBLOCK)); if (retval < 0) goto out_release; + SOCK_INODE(sock)->i_private = get_thread_process(current); out: /* It may be already another descriptor 8) Not kernel problem. */ |