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[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>
This commit is contained in:
Jeff Dike 2006-01-06 00:18:54 -08:00 committed by Linus Torvalds
parent 9010772cdf
commit 418e55d49b
1 changed files with 9 additions and 3 deletions
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12
arch/um/drivers/line.c
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@ -555,12 +555,13 @@ int line_setup(struct line *lines, unsigned int num, char *init)
}
}
}
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 @@ int line_config(struct line *lines, unsigned int num, char *str)
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_id(char **str, int *start_out, int *end_out)
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,