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[PATCH] um: fix errno usage

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Avoid reusing userspace errno twice - it can be cleared by libc code
everywhere (in particular printk() does clear it in my setup).

Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Acked-by: Jeff Dike <jdike@addtoit.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Paolo 'Blaisorblade' Giarrusso 2007-03-07 20:41:14 -08:00 committed by Linus Torvalds
parent 0f97869df6
commit de7b37cd01
1 changed files with 9 additions and 8 deletions
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17
arch/um/drivers/daemon_user.c
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@ -56,30 +56,31 @@ static int connect_to_switch(struct daemon_data *pri)
pri->control = socket(AF_UNIX, SOCK_STREAM, 0);
if(pri->control < 0){
err = -errno;
printk("daemon_open : control socket failed, errno = %d\n",
errno);
return(-errno);
-err);
return err;
}
if(connect(pri->control, (struct sockaddr *) ctl_addr,
sizeof(*ctl_addr)) < 0){
printk("daemon_open : control connect failed, errno = %d\n",
errno);
err = -errno;
printk("daemon_open : control connect failed, errno = %d\n",
-err);
goto out;
}
fd = socket(AF_UNIX, SOCK_DGRAM, 0);
if(fd < 0){
printk("daemon_open : data socket failed, errno = %d\n",
errno);
err = -errno;
printk("daemon_open : data socket failed, errno = %d\n",
-err);
goto out;
}
if(bind(fd, (struct sockaddr *) local_addr, sizeof(*local_addr)) < 0){
printk("daemon_open : data bind failed, errno = %d\n",
errno);
err = -errno;
printk("daemon_open : data bind failed, errno = %d\n",
-err);
goto out_close;
}