Zero the entire struct starting from bus_type. As more fields are added, no
changes will be needed in the function to reset their value explicitly.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxx>
Acked-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
---
drivers/media/v4l2-core/v4l2-of.c | 5 +++--
include/media/v4l2-of.h | 1 +
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/media/v4l2-core/v4l2-of.c b/drivers/media/v4l2-core/v4l2-of.c
index 83143d3..3ac6348 100644
--- a/drivers/media/v4l2-core/v4l2-of.c
+++ b/drivers/media/v4l2-core/v4l2-of.c
@@ -149,8 +149,9 @@ int v4l2_of_parse_endpoint(const struct device_node *node,
int rval;
of_graph_parse_endpoint(node, &endpoint->base);
- endpoint->bus_type = 0;
- memset(&endpoint->bus, 0, sizeof(endpoint->bus));
+ /* Zero fields from bus_type to until the end */
+ memset(&endpoint->bus_type, 0, sizeof(*endpoint) -
+ offsetof(typeof(*endpoint), bus_type));
rval = v4l2_of_parse_csi_bus(node, endpoint);
if (rval)
diff --git a/include/media/v4l2-of.h b/include/media/v4l2-of.h
index f66b92c..6c85c07 100644
--- a/include/media/v4l2-of.h
+++ b/include/media/v4l2-of.h
@@ -60,6 +60,7 @@ struct v4l2_of_bus_parallel {
*/
struct v4l2_of_endpoint {
struct of_endpoint base;
+ /* Fields below this line will be zeroed by v4l2_of_parse_endpoint() */
enum v4l2_mbus_type bus_type;
union {
struct v4l2_of_bus_parallel parallel;
--
1.7.10.4
--
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