[PATCH 3/7] p2p: Simplify cleanup of ies

[Denis Kenzior <denkenz@gmail.com>]

Use an _auto_ variable to cleanup IEs allocated by
p2p_build_association_req().  While here, take out unneeded L_WARN_ON
since p2p_build_association_req cannot fail.
---
 src/p2p.c | 19 +++++++------------
 1 file changed, 7 insertions(+), 12 deletions(-)

diff --git a/src/p2p.c b/src/p2p.c
index c823b2b134dd..b66a45cc0bcd 100644
--- a/src/p2p.c
+++ b/src/p2p.c
@@ -1500,19 +1500,18 @@ static void p2p_try_connect_group(struct p2p_device *dev)
 	struct iovec ie_iov[16];
 	int ie_num = 0;
 	int r;
-	struct p2p_association_req info = {};
+	struct p2p_association_req info = {
+		.capability = dev->capability,
+		.device_info = dev->device_info,
+	};
 	struct ie_rsn_info bss_info = {};
 	struct ie_rsn_info rsn_info = {};
 	uint8_t rsne_buf[256];
 	uint8_t wfd_ie[32];
+	_auto_(l_free) uint8_t *req_ie =
+		p2p_build_association_req(&info, &ie_iov[ie_num].iov_len);
 
-	info.capability = dev->capability;
-	info.device_info = dev->device_info;
-
-	ie_iov[0].iov_base = p2p_build_association_req(&info,
-							&ie_iov[0].iov_len);
-	L_WARN_ON(!ie_iov[0].iov_base);
-	ie_num = 1;
+	ie_iov[ie_num++].iov_base = req_ie;
 
 	if (dev->conn_own_wfd) {
 		ie_iov[ie_num].iov_base = wfd_ie;
@@ -1564,15 +1563,11 @@ static void p2p_try_connect_group(struct p2p_device *dev)
 
 	l_steal_ptr(hs);
 	dev->conn_retry_count++;
-
-done:
-	l_free(ie_iov[0].iov_base);
 	return;
 
 error:
 not_supported:
 	p2p_connect_failed(dev);
-	goto done;
 }
 
 static void p2p_peer_provision_done(int err, struct wsc_credentials_info *creds,
-- 
2.43.0