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[PATCH] uml: hot-unplug code cleanup

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Clean up the hot-unplugging code.  There is now an id procedure which is
called to figure out what device we're talking to.  The error messages from
that are now done from mconsole_remove instead of the driver.  remove is now
called with the device number, after it has been checked, so doesn't need to
do sanity checking on it.

Signed-off-by: Jeff Dike <jdike@addtoit.com>
Cc: Paolo 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
2005-06-25 14:55:25 -07:00
committed by Linus Torvalds
parent fc47a0d18a
commit 29d56cfe3c
11 changed files with 116 additions and 58 deletions
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19
arch/um/drivers/line.c
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@ -602,11 +602,26 @@ int line_get_config(char *name, struct line *lines, unsigned int num, char *str,
return n;
}
int line_remove(struct line *lines, unsigned int num, char *str)
int line_id(char **str, int *start_out, int *end_out)
{
char *end;
int n;
n = simple_strtoul(*str, &end, 0);
if((*end != '\0') || (end == *str))
return -1;
*str = end;
*start_out = n;
*end_out = n;
return n;
}
int line_remove(struct line *lines, unsigned int num, int n)
{
char config[sizeof("conxxxx=none\0")];
sprintf(config, "%s=none", str);
sprintf(config, "%d=none", n);
return !line_setup(lines, num, config, 0);
}