On Wed, 2023-11-15 at 15:49 +0000, David Howells wrote: > Fix some checkpatch complaints in the new iov_iter kunit tests: > > (1) Some lines had eight spaces instead of a tab at the start. > > (2) Checkpatch doesn't like (void*)(unsigned long)0xnnnnnULL, so switch to > using POISON_POINTER_DELTA plus an offset instead. That's because checkpatch is fundamentally stupid and that's a false positive. > diff --git a/lib/kunit_iov_iter.c b/lib/kunit_iov_iter.c [] > @@ -548,7 +548,7 @@ static void __init iov_kunit_extract_pages_kvec(struct kunit *test) > size_t offset0 = LONG_MAX; > > for (i = 0; i < ARRAY_SIZE(pagelist); i++) > - pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL; > + pagelist[i] = (void *)POISON_POINTER_DELTA + 0x5a; I think the original is easier to understand or would best be replaced by a single #define without the addition. > @@ -626,7 +626,7 @@ static void __init iov_kunit_extract_pages_bvec(struct kunit *test) > size_t offset0 = LONG_MAX; > > for (i = 0; i < ARRAY_SIZE(pagelist); i++) > - pagelist[i] = (void *)(unsigned long)0xaa55aa55aa55aa55ULL; > + pagelist[i] = (void *)POISON_POINTER_DELTA + 0x5a; etc...