X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fd.c;h=ea16bdda993aff814fa41684af53506e46242a4f;hp=6f9266f47a56cd8dee3e99b8651d12a89bb4069b;hb=85094cd802bdb606d4e2bf7ed66dec51db2a0953;hpb=dd98d31d017bbbe16bf6711e0343b267dd6cfe89

diff --git a/fd.c b/fd.c
index 6f9266f4..ea16bdda 100644
--- a/fd.c
+++ b/fd.c
@@ -563,6 +563,9 @@ out:
 int para_munmap(void *start, size_t length)
 {
 	int err;
+
+	if (!start)
+		return 0;
 	if (munmap(start, length) >= 0)
 		return 1;
 	err = errno;