Commit 121bae2b authored Aug 03, 2016 by Johan Hovold Committed by Greg Kroah-Hartman Aug 03, 2016

greybus: es2: allow ARPC result to be ignored



Allow user of ARPC to pass a NULL pointer for the ARPC result.

For simple requests there may only be one error code for remote errors,
or the caller may simply not care to differentiate them.

Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

parent 4ae2d962

drivers/staging/greybus/es2.c

+4 −2

Original line number	Diff line number	Diff line
		@@ -1184,6 +1184,7 @@ static int arpc_sync(struct es2_ap_dev es2, u8 type, void payload,
		unsigned long flags;
		int retval;

		if (result)
		*result = 0;

		rpc = arpc_alloc(payload, size, type);
		@@ -1209,6 +1210,7 @@ static int arpc_sync(struct es2_ap_dev es2, u8 type, void payload,

		if (rpc->resp->result) {
		retval = -EREMOTEIO;
		if (result)
		*result = rpc->resp->result;
		} else {
		retval = 0;