greybus: raw: Print expected/actual payload size on mismatch
Print (expected-payload-size actual-payload-size), when the size doesn't
match for requests received by the module. This gives more details
required for debugging the issue.
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Reviewed-by: Alex Elder <elder@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
diff --git a/drivers/staging/greybus/raw.c b/drivers/staging/greybus/raw.c
index 3be96db..a17a986 100644
--- a/drivers/staging/greybus/raw.c
+++ b/drivers/staging/greybus/raw.c
@@ -121,7 +121,8 @@
/* Verify size of payload */
if (op->request->payload_size < sizeof(*receive)) {
- dev_err(raw->device, "raw receive request too small\n");
+ dev_err(raw->device, "raw receive request too small (%zu < %zu)\n",
+ op->request->payload_size, sizeof(*receive));
return -EINVAL;
}
receive = op->request->payload;