[v2,03/11] selftests/mm: fix "warning: expression which evaluates to zero..." in mlock2-tests.c

Message ID 20230620011719.155379-5-jhubbard@nvidia.com
State New
Headers
Series [v2,01/11] selftests/mm: fix uffd-stress unused function warning |

Commit Message

John Hubbard June 20, 2023, 1:17 a.m. UTC
  The stop variable is a char*, and the code was assigning a char value to
it. This was generating a warning when compiling with clang.

However, as both David and Peter pointed out, stop is not even used
after the problematic assignment to a char type. So just delete that
line entirely.

Cc: David Hildenbrand <david@redhat.com>
Cc: Peter Xu <peterx@redhat.com>
Signed-off-by: John Hubbard <jhubbard@nvidia.com>
---
 tools/testing/selftests/mm/mlock2-tests.c | 1 -
 1 file changed, 1 deletion(-)
  

Patch

diff --git a/tools/testing/selftests/mm/mlock2-tests.c b/tools/testing/selftests/mm/mlock2-tests.c
index 11b2301f3aa3..80cddc0de206 100644
--- a/tools/testing/selftests/mm/mlock2-tests.c
+++ b/tools/testing/selftests/mm/mlock2-tests.c
@@ -50,7 +50,6 @@  static int get_vm_area(unsigned long addr, struct vm_boundaries *area)
 			printf("cannot parse /proc/self/maps\n");
 			goto out;
 		}
-		stop = '\0';
 
 		sscanf(line, "%lx", &start);
 		sscanf(end_addr, "%lx", &end);