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

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Date:   Thu, 1 Jun 2023 18:33:50 -0700
From:   John Hubbard <jhubbard@...dia.com>
To:     Andrew Morton <akpm@...ux-foundation.org>
CC:     David Hildenbrand <david@...hat.com>, Peter Xu <peterx@...hat.com>,
        "Shuah Khan" <shuah@...nel.org>,
        Nathan Chancellor <nathan@...nel.org>, <linux-mm@...ck.org>,
        <linux-kselftest@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        John Hubbard <jhubbard@...dia.com>
Subject: [PATCH 04/12] selftests/mm: fix a char* assignment in mlock2-tests.c

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@...dia.com>
---
 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