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[PATCH] restructure code to be able to actually get remove_node() to work.

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greg@kroah.com 2003-04-10 11:02:32 -07:00 committed by Greg KH
parent 85511f0246
commit 3f4967a1fb
1 changed files with 39 additions and 38 deletions
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77
udev.c
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@ -183,21 +183,43 @@ static int create_node(char *name, char type, int major, int minor, int mode)
return retval;
}
static int remove_node(char *name)
static int add_node(char *device, char type)
{
return 0;
char *name;
int major;
int minor;
int mode;
int retval = -EINVAL;
retval = get_major_minor(device, &major, &minor);
if (retval) {
dbg ("get_major_minor failed");
goto exit;
}
name = get_name(device, major, minor);
if (name == NULL) {
dbg ("get_name failed");
retval = -ENODEV;
goto exit;
}
mode = get_mode(name, device, major, minor);
if (mode < 0) {
dbg ("get_mode failed");
retval = -EINVAL;
goto exit;
}
return create_node(name, type, major, minor, mode);
exit:
return retval;
}
static int do_it(char *action, char *name, char type, int major, int minor, int mode)
static int remove_node(char *device)
{
if (strcmp(action, "add") == 0)
return create_node(name, type, major, minor, mode);
if (strcmp(action, "remove") == 0)
return remove_node(name);
dbg("Unknown action: %s", action);
return -EINVAL;
return 0;
}
int main(int argc, char *argv[])
@ -205,11 +227,7 @@ int main(int argc, char *argv[])
char *subsystem;
char *action;
char *device;
char *name;
char type;
int major;
int minor;
int mode;
int retval = -EINVAL;
if (argc != 2) {
@ -237,31 +255,14 @@ int main(int argc, char *argv[])
}
dbg("looking at %s", device);
retval = get_major_minor(device, &major, &minor);
if (retval) {
dbg ("get_major_minor failed");
goto exit;
}
if (strcmp(action, "add") == 0)
return add_node(device, type);
name = get_name(device, major, minor);
if (name == NULL) {
dbg ("get_name failed");
retval = -ENODEV;
goto exit;
}
if (strcmp(action, "remove") == 0)
return remove_node(device);
mode = get_mode(name, device, major, minor);
if (mode < 0) {
dbg ("get_mode failed");
retval = -EINVAL;
goto exit;
}
retval = do_it(action, name, type, major, minor, mode);
if (retval) {
dbg ("do_it failed");
goto exit;
}
dbg("Unknown action: %s", action);
return -EINVAL;
retval = 0;
exit: