Fix kernel panic when boot up

[android-x86/system-extras.git] / ext4_utils / ext4_utils.c

diff --git a/ext4_utils/ext4_utils.c b/ext4_utils/ext4_utils.c
index fba4f9f..49e552e 100644 (file)
--- a/ext4_utils/ext4_utils.c
+++ b/ext4_utils/ext4_utils.c
@@ -177,7 +177,7 @@ static void block_device_write_sb(int fd)
        /* write out the backup superblocks */
        for (i = 1; i < aux_info.groups; i++) {
                if (ext4_bg_has_super_block(i)) {
-                       offset = info.block_size * (aux_info.first_data_block
+                       offset = (unsigned long long)info.block_size * (aux_info.first_data_block
                                + i * info.blocks_per_group);
                        write_sb(fd, offset, aux_info.backup_sb[i]);
                }