From 0a2082d77792087f8c4afff5b73f5efdfdd1b2ba Mon Sep 17 00:00:00 2001
From: Vincent Sanders <vince@kyllikki.org>
Date: Sat, 17 May 2014 22:26:34 +0100
Subject: ensure all vmkpath implementations check their parameters

---
 amiga/gui.c | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'amiga')

diff --git a/amiga/gui.c b/amiga/gui.c
index 69ae4eb07..11f38d498 100644
--- a/amiga/gui.c
+++ b/amiga/gui.c
@@ -262,6 +262,10 @@ static nserror amiga_vmkpath(char **str, size_t *size, size_t nelm, va_list ap)
 	 */
 	for (elm_idx = 0; elm_idx < nelm; elm_idx++) {
 		elm[elm_idx] = va_arg(ap, const char *);
+		/* check the argument is not NULL */
+		if (elm[elm_idx] == NULL) {
+			return NSERROR_BAD_PARAMETER;
+		}
 		elm_len[elm_idx] = strlen(elm[elm_idx]);
 		fname_len += elm_len[elm_idx];
 	}
-- 
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