volume_id: add volume_id_get_* functions

[elogind.git] / extras / volume_id / lib / fat.c

diff --git a/extras/volume_id/lib/fat.c b/extras/volume_id/lib/fat.c
index 61a94504381275845d6e399fa945238aadb37ad7..9a2e4784d8cee165ca97f5b5a0d65c99e4456d92 100644 (file)
--- a/extras/volume_id/lib/fat.c
+++ b/extras/volume_id/lib/fat.c
@@ -133,7 +133,7 @@ static uint8_t *get_attr_volume_id(struct vfat_dir_entry *dir, unsigned int coun
        return NULL;
 }
 
-int volume_id_probe_vfat(struct volume_id *id, uint64_t off)
+int volume_id_probe_vfat(struct volume_id *id, uint64_t off, uint64_t size)
 {
        struct vfat_super_block *vs;
        struct vfat_dir_entry *dir;
@@ -349,7 +349,7 @@ fat32:
 
                /* set next cluster */
                next = le32_to_cpu(*((uint32_t *) buf)) & 0x0fffffff;
-               if (next == 0)
+               if (next < 2 || next >= 0x0ffffff0)
                        break;
        }
        if (maxloop == 0)