Messages in this thread Patch in this message | | | From | Michael Ellerman <> | Subject | [PATCH] lib/test_bitmap.c: Fix bitmap optimisation tests to report errors correctly | Date | Wed, 9 May 2018 21:43:28 +1000 |
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From: Matthew Wilcox <mawilcox@microsoft.com>
I had neglected to increment the error counter when the tests failed, which made the tests noisy when they fail, but not actually return an error code.
Reported-by: Michael Ellerman <mpe@ellerman.id.au> Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Fixes: 3cc78125a081 ("lib/test_bitmap.c: add optimisation tests") Cc: stable@vger.kernel.org # v4.13+ Tested-by: Michael Ellerman <mpe@ellerman.id.au> --- lib/test_bitmap.c | 21 +++++++++++++++------ 1 file changed, 15 insertions(+), 6 deletions(-)
We noticed this a while back but the patch got lost.
Andrew are you happy to take it?
cheers
diff --git a/lib/test_bitmap.c b/lib/test_bitmap.c index de16f7869fb1..6cd7d0740005 100644 --- a/lib/test_bitmap.c +++ b/lib/test_bitmap.c @@ -331,23 +331,32 @@ static void noinline __init test_mem_optimisations(void) unsigned int start, nbits; for (start = 0; start < 1024; start += 8) { - memset(bmap1, 0x5a, sizeof(bmap1)); - memset(bmap2, 0x5a, sizeof(bmap2)); for (nbits = 0; nbits < 1024 - start; nbits += 8) { + memset(bmap1, 0x5a, sizeof(bmap1)); + memset(bmap2, 0x5a, sizeof(bmap2)); + bitmap_set(bmap1, start, nbits); __bitmap_set(bmap2, start, nbits); - if (!bitmap_equal(bmap1, bmap2, 1024)) + if (!bitmap_equal(bmap1, bmap2, 1024)) { printk("set not equal %d %d\n", start, nbits); - if (!__bitmap_equal(bmap1, bmap2, 1024)) + failed_tests++; + } + if (!__bitmap_equal(bmap1, bmap2, 1024)) { printk("set not __equal %d %d\n", start, nbits); + failed_tests++; + } bitmap_clear(bmap1, start, nbits); __bitmap_clear(bmap2, start, nbits); - if (!bitmap_equal(bmap1, bmap2, 1024)) + if (!bitmap_equal(bmap1, bmap2, 1024)) { printk("clear not equal %d %d\n", start, nbits); - if (!__bitmap_equal(bmap1, bmap2, 1024)) + failed_tests++; + } + if (!__bitmap_equal(bmap1, bmap2, 1024)) { printk("clear not __equal %d %d\n", start, nbits); + failed_tests++; + } } } } -- 2.14.1
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