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authorPaolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>2007-03-07 20:41:14 -0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-03-08 07:38:21 -0800
commitde7b37cd01f145dd3a3ca333fd631e58ec0bdbab (patch)
tree97df058239eb286a649660f110faaa8924f7c9db
parent0f97869df672f7f05ce3e8672ca42792d6df852b (diff)
[PATCH] um: fix errno usage
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>
-rw-r--r--arch/um/drivers/daemon_user.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/arch/um/drivers/daemon_user.c b/arch/um/drivers/daemon_user.c
index 310af0f1e49..021b82c7a75 100644
--- a/arch/um/drivers/daemon_user.c
+++ b/arch/um/drivers/daemon_user.c
@@ -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;
}