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greybus: pass result in gb_connection_recv_response()

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Pass the operation result to gb_connection_recv_response() as a
parameter.

Signed-off-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <greg@kroah.com>
This commit is contained in:
Alex Elder 2014-12-02 08:30:30 -06:00 committed by Greg Kroah-Hartman
parent f71e1cc194
commit 64ce39a346
1 changed files with 7 additions and 8 deletions
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15
drivers/staging/greybus/operation.c
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@ -651,11 +651,11 @@ static void gb_connection_recv_request(struct gb_connection *connection,
* data into the response buffer and handle the rest via workqueue.
*/
static void gb_connection_recv_response(struct gb_connection *connection,
u16 operation_id, void *data, size_t size)
u16 operation_id, u8 result, void *data, size_t size)
{
struct gb_operation *operation;
struct gb_message *message;
int result;
int errno = gb_operation_status_map(result);
operation = gb_pending_operation_find(connection, operation_id);
if (!operation) {
@ -667,20 +667,19 @@ static void gb_connection_recv_response(struct gb_connection *connection,
gb_pending_operation_remove(operation);
message = operation->response;
result = gb_operation_status_map(message->header->result);
if (!result && size != message->size) {
if (!errno && size != message->size) {
gb_connection_err(connection, "bad message size (%zu != %zu)",
size, message->size);
result = -EMSGSIZE;
errno = -EMSGSIZE;
}
/* We must ignore the payload if a bad status is returned */
if (result)
if (errno)
size = sizeof(*message->header);
memcpy(message->header, data, size);
/* The rest will be handled in work queue context */
if (gb_operation_result_set(operation, result))
if (gb_operation_result_set(operation, errno))
queue_work(gb_operation_workqueue, &operation->work);
}
@ -717,7 +716,7 @@ void gb_connection_recv(struct gb_connection *connection,
operation_id = le16_to_cpu(header->operation_id);
if (header->type & GB_OPERATION_TYPE_RESPONSE)
gb_connection_recv_response(connection, operation_id,
data, msg_size);
header->result, data, msg_size);
else
gb_connection_recv_request(connection, operation_id,
header->type, data, msg_size);