diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 304691c5e2bcf817e7de8d9e4b14df665c95c364..28bc6db9fbf4f5044308a662c30f2ae677ffd7a5 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -712,7 +712,7 @@ static ssize_t firmware_data_read(struct file *filp, struct kobject *kobj,
 static int fw_realloc_buffer(struct firmware_priv *fw_priv, int min_size)
 {
 	struct firmware_buf *buf = fw_priv->buf;
-	int pages_needed = ALIGN(min_size, PAGE_SIZE) >> PAGE_SHIFT;
+	int pages_needed = PAGE_ALIGN(min_size) >> PAGE_SHIFT;
 
 	/* If the array of pages is too small, grow it... */
 	if (buf->page_array_size < pages_needed) {