From: Felix Fietkau <nbd@nbd.name>
Date: Thu, 30 Nov 2023 09:02:47 +0000 (+0100)
Subject: ring: add debug messages for ring alloc errors
X-Git-Url: http://git.openwrt.org/?a=commitdiff_plain;h=86b4396baa44eece90247278f7d436d332fb2a1f;p=project%2Fudebug.git

ring: add debug messages for ring alloc errors

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---

diff --git a/ring.c b/ring.c
index 81f341f..4adcfda 100644
--- a/ring.c
+++ b/ring.c
@@ -44,8 +44,10 @@ struct client_ring *client_ring_alloc(struct client *cl)
 	struct client_ring *r;
 	size_t meta_len;
 
-	if (cl->rx_fd < 0)
+	if (cl->rx_fd < 0) {
+		DC(2, cl, "missing file descriptor");
 		return NULL;
+	}
 
 	meta_len = blob_pad_len(&cl->rx_buf.data);
 	r = calloc_a(sizeof(*r), &meta, meta_len);
@@ -53,6 +55,7 @@ struct client_ring *client_ring_alloc(struct client *cl)
 
 	blobmsg_parse_attr(policy, __RING_ATTR_MAX, tb, meta);
 	if (!tb[RING_ATTR_NAME]) {
+		DC(2, cl, "missing ring name");
 		close(cl->rx_fd);
 		free(r);
 		return NULL;