[PATCH 04/12] selftests/mm: fix a char* assignment in mlock2-tests.c

[John Hubbard]

The stop variable is a char*, so use "\0" when assigning to it, rather
than attempting to assign a character type. This was generating a
warning when compiling with clang.

Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
---
 tools/testing/selftests/mm/mlock2-tests.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tools/testing/selftests/mm/mlock2-tests.c b/tools/testing/selftests/mm/mlock2-tests.c
index 11b2301f3aa3..8ee95077dc25 100644
--- a/tools/testing/selftests/mm/mlock2-tests.c
+++ b/tools/testing/selftests/mm/mlock2-tests.c
@@ -50,7 +50,7 @@ static int get_vm_area(unsigned long addr, struct vm_boundaries *area)
 			printf("cannot parse /proc/self/maps\n");
 			goto out;
 		}
-		stop = '\0';
+		stop = "\0";
 
 		sscanf(line, "%lx", &start);
 		sscanf(end_addr, "%lx", &end);
-- 
2.40.1