ata_id: check for empty serial number

[elogind.git] / udev_rules.c

diff --git a/udev_rules.c b/udev_rules.c
index 41855eb9d7d0a63b50e24ae9ad42c2f8d09f7fd7..a25c2e90a8bc196b6f3a44a219b339a01505c74b 100644 (file)
--- a/udev_rules.c
+++ b/udev_rules.c
@@ -958,16 +958,22 @@ int udev_rules_get_name(struct udev_rules *rules, struct udevice *udev, struct s
 
                                /* add multiple symlinks separated by spaces */
                                pos = temp;
-                               next = strchr(temp, ' ');
+                               while (isspace(pos[0]))
+                                       pos++;
+                               next = strchr(pos, ' ');
                                while (next) {
                                        next[0] = '\0';
                                        info("add symlink '%s'", pos);
                                        name_list_add(&udev->symlink_list, pos, 0);
+                                       while (isspace(next[1]))
+                                               next++;
                                        pos = &next[1];
                                        next = strchr(pos, ' ');
                                }
-                               info("add symlink '%s'", pos);
-                               name_list_add(&udev->symlink_list, pos, 0);
+                               if (pos[0] != '\0') {
+                                       info("add symlink '%s'", pos);
+                                       name_list_add(&udev->symlink_list, pos, 0);
+                               }
                        }
 
                        /* set name, later rules with name set will be ignored */