From 7e496a71cfe54f192508427f9c8ea5be764952bd Mon Sep 17 00:00:00 2001
From: Eric Andersen
Date: Tue, 6 Apr 2004 12:06:03 +0000
Subject: Michael Tokarev, mjt at tls dot msk dot ru writes:

Fix parsing of all tag-value pairs (in modules.conf in particular).
Without this fix, code chokes badly on lines where either value or
both tag+value are missing, like bare
 alias
line, or alias w/o the value like
 alias some-module
(syntactically incorrect, but no need for coredumps either).
---
 modutils/modprobe.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/modutils/modprobe.c b/modutils/modprobe.c
index 7078af2..df5d4bb 100644
--- a/modutils/modprobe.c
+++ b/modutils/modprobe.c
@@ -67,15 +67,17 @@ int parse_tag_value ( char *buffer, char **ptag, char **pvalue )
 		buffer++;
 	tag = value = buffer;
 	while ( !isspace ( *value ))
-		value++;
+		if (!*value) return 0;
+		else value++;
 	*value++ = 0;
 	while ( isspace ( *value ))
 		value++;
+	if (!*value) return 0;
 
 	*ptag = tag;
 	*pvalue = value;
 
-	return bb_strlen( tag ) && bb_strlen( value );
+	return 1;
 }
 
 /* Jump through hoops to simulate how fgets() grabs just one line at a
-- 
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