Handle I/O error in exfat_next_cluster().

[android-x86/external-exfat.git] / libexfat / cluster.c

diff --git a/libexfat/cluster.c b/libexfat/cluster.c
index 5cabdbb..e3cb251 100644 (file)
--- a/libexfat/cluster.c
+++ b/libexfat/cluster.c
@@ -83,9 +83,9 @@ cluster_t exfat_next_cluster(const struct exfat* ef,
                return cluster + 1;
        fat_offset = s2o(ef, le32_to_cpu(ef->sb->fat_sector_start))
                + cluster * sizeof(cluster_t);
-       /* FIXME handle I/O error */
        if (exfat_pread(ef->dev, &next, sizeof(next), fat_offset) < 0)
-               exfat_bug("failed to read the next cluster after %#x", cluster);
+               return EXFAT_CLUSTER_BAD; /* the caller should handle this and print
+                                            appropriate error message */
        return le32_to_cpu(next);
 }