iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

um: switch line_config() to setup_one_line()

Browse Source 
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Richard Weinberger <richard@nod.at>
This commit is contained in:
Al Viro 2011-09-08 20:44:06 -04:00 committed by Richard Weinberger
parent da645f3be9
commit fe9a6b0029
1 changed files with 16 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
arch/um/drivers/line.c
View File

@ -572,22 +572,32 @@ int line_config(struct line *lines, unsigned int num, char *str,
{
struct line *line;
char *new;
int n;
char *end;
int n, err;
if (*str == '=') {
*error_out = "Can't configure all devices from mconsole";
return -EINVAL;
}
new = kstrdup(str, GFP_KERNEL);
n = simple_strtoul(str, &end, 0);
if (*end++ != '=') {
*error_out = "Couldn't parse device number";
return -EINVAL;
}
if (n >= num) {
*error_out = "Device number out of range";
return -EINVAL;
}
new = kstrdup(end, GFP_KERNEL);
if (new == NULL) {
*error_out = "Failed to allocate memory";
return -ENOMEM;
}
n = line_setup(lines, num, new, error_out);
if (n < 0)
return n;
err = setup_one_line(lines, n, new, INIT_ONE, error_out);
if (err)
return err;
line = &lines[n];
return parse_chan_pair(line->init_str, line, n, opts, error_out);
}