diff options
Diffstat (limited to 'udev-add.c')
-rw-r--r-- | udev-add.c | 57 |
1 files changed, 32 insertions, 25 deletions
diff --git a/udev-add.c b/udev-add.c index 85bcbf6c18..7906638a7f 100644 --- a/udev-add.c +++ b/udev-add.c @@ -70,33 +70,37 @@ exit: /* * We also want to add some permissions here, and possibly some symlinks */ -static int create_node(char *name, char type, int major, int minor, mode_t mode) +static int create_node(struct udevice *dev) { char filename[255]; int retval = 0; + strncpy(filename, UDEV_ROOT, sizeof(filename)); - strncat(filename, name, sizeof(filename)); - switch (type) { + strncat(filename, dev->name, sizeof(filename)); + + switch (dev->type) { case 'b': - mode |= S_IFBLK; + dev->mode |= S_IFBLK; break; case 'c': case 'u': - mode |= S_IFCHR; + dev->mode |= S_IFCHR; break; case 'p': - mode |= S_IFIFO; + dev->mode |= S_IFIFO; break; default: - dbg("unknown node type %c\n", type); + dbg("unknown node type %c\n", dev->type); return -EINVAL; } - dbg("mknod(%s, %#o, %u, %u)", filename, mode, major, minor); - retval = mknod(filename, mode, makedev(major, minor)); + dbg("mknod(%s, %#o, %u, %u)", filename, dev->mode, dev->major, dev->minor); + retval = mknod(filename, dev->mode, makedev(dev->major, dev->minor)); if (retval) dbg("mknod(%s, %#o, %u, %u) failed with error '%s'", - filename, mode, major, minor, strerror(errno)); + filename, dev->mode, dev->major, dev->minor, strerror(errno)); + + // FIXME set the ownership of the node return retval; } @@ -126,7 +130,7 @@ exit: * If it doesn't happen in about 10 seconds, give up. */ #define SECONDS_TO_WAIT_FOR_DEV 10 -int sleep_for_dev(char *device) +int sleep_for_dev(char *path) { char filename[SYSFS_PATH_MAX + 6]; struct stat buf; @@ -134,7 +138,7 @@ int sleep_for_dev(char *device) int retval = -ENODEV; strcpy(filename, sysfs_path); - strcat(filename, device); + strcat(filename, path); strcat(filename, "/dev"); while (loop < SECONDS_TO_WAIT_FOR_DEV) { @@ -154,20 +158,18 @@ exit: return retval; } -int udev_add_device(char *device, char *subsystem) +int udev_add_device(char *path, char *subsystem) { struct sysfs_class_device *class_dev; + struct udevice dev; struct device_attr attr; - int major; - int minor; - char type; int retval = -EINVAL; /* for now, the block layer is the only place where block devices are */ if (strcmp(subsystem, "block") == 0) - type = 'b'; + dev.type = 'b'; else - type = 'c'; + dev.type = 'c'; retval = sysfs_get_mnt_path(sysfs_path, SYSFS_PATH_MAX); dbg("sysfs_path = %s", sysfs_path); @@ -176,11 +178,11 @@ int udev_add_device(char *device, char *subsystem) goto exit; } - retval = sleep_for_dev(device); + retval = sleep_for_dev(path); if (retval) goto exit; - class_dev = get_class_dev(device); + class_dev = get_class_dev(path); if (class_dev == NULL) goto exit; @@ -188,21 +190,26 @@ int udev_add_device(char *device, char *subsystem) if (retval) return retval; - retval = get_major_minor(class_dev, &major, &minor); + retval = get_major_minor(class_dev, &dev.major, &dev.minor); if (retval) { dbg("get_major_minor failed"); goto exit; } - retval = udevdb_add_device(device, class_dev, attr.name, type, major, minor, attr.mode); - + strcpy(dev.name, attr.name); + strcpy(dev.owner, attr.owner); + strcpy(dev.group, attr.group); + dev.mode = attr.mode; + + retval = udevdb_add_dev(path, &dev); if (retval != 0) - dbg("udevdb_add_device failed, but we are going to try to create the node anyway. " + dbg("udevdb_add_dev failed, but we are going to try to create the node anyway. " "But remove might not work properly for this device."); sysfs_close_class_device(class_dev); - return create_node(attr.name, type, major, minor, attr.mode); + dbg("name = %s", dev.name); + retval = create_node(&dev); exit: return retval; |