Re: [PATCH] selftests/powerpc: Replace obsolete memalign() with posix_memalign()

Michael Ellerman
2023-04-12T12:04:21Z

Deming Wang <wangdeming@inspur.com> writes:
> memalign() is obsolete according to its manpage.
>
> Replace memalign() with posix_memalign() and remove malloc.h include
> that was there for memalign().
>
> As a pointer is passed into posix_memalign(), initialize *s to NULL
> to silence a warning about the function's return value being used as
> uninitialized (which is not valid anyway because the error is properly
> checked before p is returned).

The patch doesn't do that. There is no p?

I think you've copied the change log for a whole bunch of commits but
not updated them to be accurate for each change?

cheers

> diff --git a/tools/testing/selftests/powerpc/stringloops/strlen.c b/tools/testing/selftests/powerpc/stringloops/strlen.c
> index 9055ebc484d0..f9c1f9cc2d32 100644
> --- a/tools/testing/selftests/powerpc/stringloops/strlen.c
> +++ b/tools/testing/selftests/powerpc/stringloops/strlen.c
> @@ -1,5 +1,4 @@
> // SPDX-License-Identifier: GPL-2.0
> -#include <malloc.h>
> #include <stdlib.h>
> #include <string.h>
> #include <time.h>
> @@ -51,10 +50,11 @@ static void bench_test(char *s)
> static int testcase(void)
> {
> char *s;
> + int ret;
> unsigned long i;
>
> - s = memalign(128, SIZE);
> - if (!s) {
> + ret = posix_memalign((void **)&s, 128, SIZE);
> + if (ret < 0) {
> perror("memalign");
> exit(1);
> }
> --
> 2.27.0