diff options
Diffstat (limited to 'lib/sysfs_device.c')
| -rw-r--r-- | lib/sysfs_device.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lib/sysfs_device.c b/lib/sysfs_device.c index fbd046f..01a7fc1 100644 --- a/lib/sysfs_device.c +++ b/lib/sysfs_device.c @@ -165,12 +165,16 @@ struct sysfs_attribute *sysfs_get_device_attr(struct sysfs_device *dev, { struct sysfs_attribute *cur = NULL; - if (dev == NULL || dev->directory == NULL - || dev->directory->attributes == NULL || name == NULL) { + if (dev == NULL || dev->directory == NULL || name == NULL) { errno = EINVAL; return NULL; } + if (dev->directory->attributes == NULL) { + if ((sysfs_read_dir_attributes(dev->directory)) != 0) + return NULL; + } + cur = sysfs_get_directory_attribute(dev->directory, (unsigned char *)name); if (cur != NULL) @@ -316,7 +320,7 @@ static struct sysfs_directory *open_root_device_dir(const unsigned char *name) name); return NULL; } - if (sysfs_read_directory(rdir) != 0) { + if ((sysfs_read_directory(rdir)) != 0) { dprintf ("Error reading %s root device at dir %s\n", name, rootpath); sysfs_close_directory(rdir); @@ -409,6 +413,10 @@ struct dlist *sysfs_get_device_attributes(struct sysfs_device *device) if (device == NULL || device->directory == NULL) return NULL; + if (device->directory->attributes == NULL) { + if ((sysfs_read_dir_attributes(device->directory)) != 0) + return NULL; + } return (device->directory->attributes); } |