Handle I/O error in exfat_flush().

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

diff --git a/libexfat/cluster.c b/libexfat/cluster.c
index b4189c6..5cabdbb 100644 (file)
--- a/libexfat/cluster.c
+++ b/libexfat/cluster.c
@@ -136,17 +136,20 @@ static cluster_t find_bit_and_set(bitmap_t* bitmap, size_t start, size_t end)
        return EXFAT_CLUSTER_END;
 }
 
-void exfat_flush(struct exfat* ef)
+int exfat_flush(struct exfat* ef)
 {
        if (ef->cmap.dirty)
        {
-               /* FIXME handle I/O error */
                if (exfat_pwrite(ef->dev, ef->cmap.chunk,
                                BMAP_SIZE(ef->cmap.chunk_size),
                                exfat_c2o(ef, ef->cmap.start_cluster)) < 0)
-                       exfat_bug("failed to write clusters bitmap");
+               {
+                       exfat_error("failed to write clusters bitmap");
+                       return -EIO;
+               }
                ef->cmap.dirty = false;
        }
+       return 0;
 }
 
 static bool set_next_cluster(const struct exfat* ef, bool contiguous,