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device: ignore a couple of 'API' devices

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This commit is contained in:
Lennart Poettering 2010-04-10 17:45:14 +02:00
parent d2b9fd2bb9
commit 6326a423e7
2 changed files with 25 additions and 3 deletions
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24
device.c
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@ -137,6 +137,28 @@ static int device_find_escape_name(Manager *m, const char *dn, Unit **_u) {
return 0;
}
static bool devnode_is_api(const char *node) {
unsigned i;
static const char * const table[] = {
"/dev/null",
"/dev/zero",
"/dev/urandom",
"/dev/random",
"/dev/port",
"/dev/oldmem",
"/dev/full",
"/dev/kmsg",
"/dev/mem"
};
for (i = 0; i < ELEMENTSOF(table); i++)
if (streq(table[i], node))
return true;
return false;
}
static int device_process_new_device(Manager *m, struct udev_device *dev, bool update_state) {
const char *dn, *names, *wants, *sysfs, *expose, *model;
Unit *u = NULL;
@ -168,7 +190,7 @@ static int device_process_new_device(Manager *m, struct udev_device *dev, bool u
if (!b)
return 0;
} else
if (!dn && !names && !wants)
if ((!dn || devnode_is_api(dn)) && !names && !wants)
return 0;
/* Ok, seems kinda interesting. Now, let's see if this one

4
device.h
View File

@ -31,7 +31,8 @@ typedef struct Device Device;
typedef enum DeviceState {
DEVICE_DEAD,
DEVICE_AVAILABLE,
_DEVICE_STATE_MAX
_DEVICE_STATE_MAX,
_DEVICE_STATE_INVALID = -1
} DeviceState;
struct Device {
@ -39,7 +40,6 @@ struct Device {
DeviceState state;
/* A single device can be created by multiple sysfs objects */
char *sysfs;
};