[PATCH] uml: line_setup interface change
line_setup is changed to return the device which it set up, rather than just
success or failure. This will be important in the line-config patch.
Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/arch/um/drivers/line.c b/arch/um/drivers/line.c
index 1c2cc5d..1352a21 100644
--- a/arch/um/drivers/line.c
+++ b/arch/um/drivers/line.c
@@ -555,12 +555,13 @@
}
}
}
- return 1;
+ return n == -1 ? num : n;
}
int line_config(struct line *lines, unsigned int num, char *str)
{
char *new;
+ int n;
if(*str == '='){
printk("line_config - can't configure all devices from "
@@ -573,7 +574,8 @@
printk("line_config - kstrdup failed\n");
return -ENOMEM;
}
- return !line_setup(lines, num, new);
+ n = line_setup(lines, num, new);
+ return n < 0 ? n : 0;
}
int line_get_config(char *name, struct line *lines, unsigned int num, char *str,
@@ -624,10 +626,14 @@
int line_remove(struct line *lines, unsigned int num, int n)
{
+ int err;
char config[sizeof("conxxxx=none\0")];
sprintf(config, "%d=none", n);
- return !line_setup(lines, num, config);
+ err = line_setup(lines, num, config);
+ if(err >= 0)
+ err = 0;
+ return err;
}
struct tty_driver *line_register_devfs(struct lines *set,