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-rw-r--r--data_layout.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/data_layout.c b/data_layout.c
index 3c49f9f..139e537 100644
--- a/data_layout.c
+++ b/data_layout.c
@@ -1017,9 +1017,12 @@ write_block_raw(build_image_context *context)
data = empty_blk;
}
/* Write the data */
- fwrite(data, 1,
- pages_to_write * context->page_size,
- context->raw_file);
+ {
+ size_t bytes = pages_to_write * context->page_size;
+
+ if (fwrite(data, 1, bytes, context->raw_file) != bytes)
+ return -1;
+ }
}
free(empty_blk);