From 78802e6993a0f44d7ac7ff7d0922d55d1b089dac Mon Sep 17 00:00:00 2001
From: rsc <devnull@localhost>
Date: Sat, 24 Apr 2004 04:52:49 +0000
Subject: various bug fixes

---
 src/libplumb/mesg.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'src/libplumb')

diff --git a/src/libplumb/mesg.c b/src/libplumb/mesg.c
index 4b278695..670059ca 100755
--- a/src/libplumb/mesg.c
+++ b/src/libplumb/mesg.c
@@ -64,6 +64,10 @@ plumbsendtofid(Fid *fid, Plumbmsg *m)
 	char *buf;
 	int n;
 
+	if(fid == nil){
+		werrstr("invalid fid");
+		return -1;
+	}
 	buf = plumbpack(m, &n);
 	if(buf == nil)
 		return -1;
@@ -75,6 +79,10 @@ plumbsendtofid(Fid *fid, Plumbmsg *m)
 int
 plumbsend(int fd, Plumbmsg *m)
 {
+	if(fd == -1){
+		werrstr("invalid fd");
+		return -1;
+	}
 	if(fd != pfd){
 		werrstr("fd is not the plumber");
 		return -1;
-- 
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