dfu: Export allocated dfu buffer size

The method for exporting size of allocated buffer is provided.
It is afterwards used by USB's dfu function code.

Signed-off-by: Lukasz Majewski <l.majewski@samsung.com>

1 files changed, 5 insertions, 0 deletions

diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 1eb92e54176..07011e99a85 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -74,6 +74,11 @@ unsigned char *dfu_free_buf(void)
 	return dfu_buf;
 }
 
+unsigned long dfu_get_buf_size(void)
+{
+	return dfu_buf_size;
+}
+
 unsigned char *dfu_get_buf(void)
 {
 	char *s;