diff options
Diffstat (limited to 'udev/udev_rules.c')
| -rw-r--r-- | udev/udev_rules.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/udev/udev_rules.c b/udev/udev_rules.c index 693bce261c..557513afcc 100644 --- a/udev/udev_rules.c +++ b/udev/udev_rules.c @@ -569,27 +569,29 @@ static int wait_for_file(struct udevice *udev, const char *file, int timeout) static int attr_get_by_subsys_id(const char *attrstr, char *devpath, size_t len, char **attr) { char subsys[NAME_SIZE]; - char *attrib; + char *pos; char *id; + char *attrib; int found = 0; if (attrstr[0] != '[') goto out; - strlcpy(subsys, &attrstr[1], sizeof(subsys)); - - attrib = strchr(subsys, ']'); + attrib = strchr(&attrstr[1], ']'); if (attrib == NULL) goto out; - attrib[0] = '\0'; attrib = &attrib[1]; + strlcpy(subsys, &attrstr[1], sizeof(subsys)); + pos = strchr(subsys, ']'); + if (pos == NULL) + goto out; + pos[0] = '\0'; id = strchr(subsys, '/'); if (id == NULL) goto out; id[0] = '\0'; id = &id[1]; - if (sysfs_lookup_devpath_by_subsys_id(devpath, len, subsys, id)) { if (attr != NULL) { if (attrib[0] != '\0') |