diff options
Diffstat (limited to 'namedev.c')
| -rw-r--r-- | namedev.c | 93 |
1 files changed, 43 insertions, 50 deletions
@@ -599,13 +599,47 @@ static int do_replace(struct sysfs_class_device *class_dev, struct udevice *udev static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev) { struct list_head *tmp; + struct sysfs_device *sysfs_device = NULL; + struct sysfs_class_device *class_dev_parent = NULL; int retval = 0; int found; + char *temp = NULL; udev->mode = 0; + + /* find the sysfs_device for this class device */ if (class_dev->sysdevice) { - dbg_parse("class_dev->sysdevice->path = '%s'", class_dev->sysdevice->path); - dbg_parse("class_dev->sysdevice->bus_id = '%s'", class_dev->sysdevice->bus_id); + sysfs_device = class_dev->sysdevice; + } else { + /* bah, let's go backwards up a level to see if the device is there, + * as block partitions don't point to the physical device. Need to fix that + * up in the kernel... + */ + if (strstr(class_dev->path, "block")) { + dbg_parse("looking at block device..."); + if (isdigit(class_dev->path[strlen(class_dev->path)-1])) { + char path[SYSFS_PATH_MAX]; + + dbg_parse("really is a partition..."); + strcpy(path, class_dev->path); + temp = strrchr(path, '/'); + *temp = 0x00; + dbg_parse("looking for a class device at '%s'", path); + class_dev_parent = sysfs_open_class_device(path); + if (class_dev_parent == NULL) { + dbg("sysfs_open_class_device at '%s' failed", path); + } else { + dbg_parse("class_dev_parent->name = %s", class_dev_parent->name); + if (class_dev_parent->sysdevice) + sysfs_device = class_dev_parent->sysdevice; + } + } + } + } + + if (sysfs_device) { + dbg_parse("sysfs_device->path = '%s'", sysfs_device->path); + dbg_parse("sysfs_device->bus_id = '%s'", sysfs_device->bus_id); } else { dbg_parse("class_dev->name = '%s'", class_dev->name); } @@ -615,8 +649,6 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev) case LABEL: { struct sysfs_attribute *tmpattr = NULL; - struct sysfs_class_device *class_dev_parent = NULL; - char *temp = NULL; dbg_parse("LABEL: match file '%s' with value '%s'", dev->sysfs_file, dev->sysfs_value); @@ -626,60 +658,19 @@ static int get_attr(struct sysfs_class_device *class_dev, struct udevice *udev) goto label_found; /* look in the class device directory if present */ - if (class_dev->sysdevice) { - tmpattr = sysfs_get_device_attr(class_dev->sysdevice, dev->sysfs_file); + if (sysfs_device) { + tmpattr = sysfs_get_device_attr(sysfs_device, dev->sysfs_file); if (tmpattr) goto label_found; } - /* bah, let's go backwards up a level to see if the device is there, - * as block partitions don't point to the physical device. Need to fix that - * up in the kernel... - */ - if (strstr(class_dev->path, "block")) { - dbg_parse("looking at block device..."); - if (isdigit(class_dev->path[strlen(class_dev->path)-1])) { - char path[SYSFS_PATH_MAX]; - - dbg_parse("really is a partition..."); - strcpy(path, class_dev->path); - temp = strrchr(path, '/'); - *temp = 0x00; - dbg_parse("looking for a class device at '%s'", path); - class_dev_parent = sysfs_open_class_device(path); - if (class_dev_parent == NULL) { - dbg("sysfs_open_class_device at '%s' failed", path); - continue; - } - dbg_parse("class_dev_parent->name = %s", class_dev_parent->name); - - /* try to find the attribute in the class device directory */ - tmpattr = sysfs_get_classdev_attr(class_dev_parent, dev->sysfs_file); - if (tmpattr) - goto label_found; - - /* look in the class device directory if present */ - if (class_dev_parent->sysdevice) { - tmpattr = sysfs_get_device_attr(class_dev_parent->sysdevice, dev->sysfs_file); - if (tmpattr) - goto label_found; - } - - } - } - if (class_dev_parent) - sysfs_close_class_device(class_dev_parent); - continue; label_found: tmpattr->value[strlen(tmpattr->value)-1] = 0x00; dbg_parse("file '%s' found with value '%s' compare with '%s'", dev->sysfs_file, tmpattr->value, dev->sysfs_value); - if (strcmp(dev->sysfs_value, tmpattr->value) != 0) { - if (class_dev_parent) - sysfs_close_class_device(class_dev_parent); + if (strcmp(dev->sysfs_value, tmpattr->value) != 0) continue; - } strcpy(udev->name, dev->name); if (isdigit(class_dev->path[strlen(class_dev->path)-1])) { @@ -694,8 +685,6 @@ label_found: dbg_parse("file '%s' with value '%s' becomes '%s' - owner = %s, group = %s, mode = %#o", dev->sysfs_file, dev->sysfs_value, udev->name, dev->owner, dev->group, dev->mode); - if (class_dev_parent) - sysfs_close_class_device(class_dev_parent); goto done; break; } @@ -796,6 +785,10 @@ done: udev->owner[0] = 0x00; udev->group[0] = 0x00; } + + if (class_dev_parent) + sysfs_close_class_device(class_dev_parent); + return 0; } |