X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=tools%2Ftesting%2Fselftests%2Fvm%2Fhugetlbfstest.c;h=02e1072ec1874cac9daa285eee2dd98cf7bfe503;hb=215ba78115f82ad5f8faedac98cc42e572733b8a;hp=ea40ff8c239169220ac3ea26449abb81d6a47e24;hpb=560ae37178b12e3bd37626f7b1e0b29c503ea558;p=mirror_ubuntu-jammy-kernel.git

diff --git a/tools/testing/selftests/vm/hugetlbfstest.c b/tools/testing/selftests/vm/hugetlbfstest.c
index ea40ff8c2391..02e1072ec187 100644
--- a/tools/testing/selftests/vm/hugetlbfstest.c
+++ b/tools/testing/selftests/vm/hugetlbfstest.c
@@ -34,6 +34,7 @@ static void do_mmap(int fd, int extra_flags, int unmap)
 	int *p;
 	int flags = MAP_PRIVATE | MAP_POPULATE | extra_flags;
 	u64 before, after;
+	int ret;
 
 	before = read_rss();
 	p = mmap(NULL, length, PROT_READ | PROT_WRITE, flags, fd, 0);
@@ -44,7 +45,8 @@ static void do_mmap(int fd, int extra_flags, int unmap)
 			!"rss didn't grow as expected");
 	if (!unmap)
 		return;
-	munmap(p, length);
+	ret = munmap(p, length);
+	assert(!ret || !"munmap returned an unexpected error");
 	after = read_rss();
 	assert(llabs(after - before) < 0x40000 ||
 			!"rss didn't shrink as expected");