This patch allows into the DFU backend to indicate that there is no
remaining data (for EOF for example). That allows users to read a
buffer greater than the device size; the dfu stack stops the read
request when the backend return a length=0 without error.
Signed-off-by: Patrick Delaunay <patrick.delau...@st.com>
---
drivers/dfu/dfu.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/dfu/dfu.c b/drivers/dfu/dfu.c
index 8bd5216017..50919fcae9 100644
--- a/drivers/dfu/dfu.c
+++ b/drivers/dfu/dfu.c
@@ -396,6 +396,8 @@ static int dfu_read_buffer_fill(struct dfu_entity *dfu,
void *buf, int size)
debug("%s: Read error!\n", __func__);
return ret;
}
+ if (dfu->b_left == 0)
+ break;
dfu->offset += dfu->b_left;
dfu->r_left -= dfu->b_left;
--
2.17.1
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