From 5ee86cf824c5591aa92118c0cd9d71b005e789d0 Mon Sep 17 00:00:00 2001
From: Jacob Moody <moody@posixcafe.org>
Date: Wed, 22 Jun 2022 15:53:32 +0000
Subject: kernel: correct error handling in /srv/clone read

readstr can error, we need to catch the error and unlock.
---
 sys/src/9/port/devsrv.c | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'sys/src')

diff --git a/sys/src/9/port/devsrv.c b/sys/src/9/port/devsrv.c
index f676227d4..e1b7856f9 100644
--- a/sys/src/9/port/devsrv.c
+++ b/sys/src/9/port/devsrv.c
@@ -557,8 +557,13 @@ srvread(Chan *c, void *va, long n, vlong off)
 	if(NETTYPE(c->qid.path) == Qlease){
 		b = c->aux;
 		rlock(b);
+		if(waserror()){
+			runlock(b);
+			nexterror();
+		}
 		n = readstr((ulong)off, va, n, b->name);
 		runlock(b);
+		poperror();
 		return n;
 	}
 	isdir(c);
-- 
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