Revision 29cfcddc0e745b515ec360ffe2ee4e7a4015efd8 authored by Linus Torvalds on 28 August 2010, 22:42:44 UTC, committed by Linus Torvalds on 28 August 2010, 22:42:44 UTC
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: net/ipv4: Eliminate kstrdup memory leak net/caif/cfrfml.c: use asm/unaligned.h ax25: missplaced sock_put(sk) qlge: reset the chip before freeing the buffers l2tp: test for ethernet header in l2tp_eth_dev_recv() tcp: select(writefds) don't hang up when a peer close connection tcp: fix three tcp sysctls tuning tcp: Combat per-cpu skew in orphan tests. pxa168_eth: silence gcc warnings pxa168_eth: update call to phy_mii_ioctl() pxa168_eth: fix error handling in prope pxa168_eth: remove unneeded null check phylib: Fix race between returning phydev and calling adjust_link caif-driver: add HAS_DMA dependency 3c59x: Fix deadlock between boomerang_interrupt and boomerang_start_tx qlcnic: fix poll implementation netxen: fix poll implementation bridge: netfilter: fix a memory leak
tty.c
/*
* Copyright (C) 2002 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
* Licensed under the GPL
*/
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include "kern_constants.h"
#include "kern_util.h"
#include "os.h"
#include "user.h"
struct grantpt_info {
int fd;
int res;
int err;
};
static void grantpt_cb(void *arg)
{
struct grantpt_info *info = arg;
info->res = grantpt(info->fd);
info->err = errno;
}
int get_pty(void)
{
struct grantpt_info info;
int fd, err;
fd = open("/dev/ptmx", O_RDWR);
if (fd < 0) {
err = -errno;
printk(UM_KERN_ERR "get_pty : Couldn't open /dev/ptmx - "
"err = %d\n", errno);
return err;
}
info.fd = fd;
initial_thread_cb(grantpt_cb, &info);
if (info.res < 0) {
err = -info.err;
printk(UM_KERN_ERR "get_pty : Couldn't grant pty - "
"errno = %d\n", -info.err);
goto out;
}
if (unlockpt(fd) < 0) {
err = -errno;
printk(UM_KERN_ERR "get_pty : Couldn't unlock pty - "
"errno = %d\n", errno);
goto out;
}
return fd;
out:
close(fd);
return err;
}
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