From 49056d178f42da98048a5d4c23f83a6f6bc6dd80 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Wed, 23 Jul 2025 11:49:27 +0200
Subject: [PATCH] udebug: fix issue with snapshot of remote ring

Avoid skipping over the current ring head

Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
 udebug-remote.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/udebug-remote.c b/udebug-remote.c
index d4d9ed5..7fa0b3a 100644
--- a/udebug-remote.c
+++ b/udebug-remote.c
@@ -134,6 +134,9 @@ rbuf_advance_read_head(struct udebug_remote_buf *rb, uint32_t head,
 			__sync_synchronize();
 		}
 
+		if (rb->head == head)
+			break;
+
 		if (ptr->timestamp > last_ptr->timestamp)
 			continue;
 
-- 
2.30.2