lib/test_bitmap.c: fix bitmap optimisation tests to report errors correctly
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. Link: http://lkml.kernel.org/r/20180509114328.9887-1-mpe@ellerman.id.au Fixes: 3cc78125 ("lib/test_bitmap.c: add optimisation tests") Signed-off-by: Matthew Wilcox <mawilcox@microsoft.com> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Reported-by: Michael Ellerman <mpe@ellerman.id.au> Tested-by: Michael Ellerman <mpe@ellerman.id.au> Reviewed-by: Kees Cook <keescook@chromium.org> Cc: Yury Norov <ynorov@caviumnetworks.com> Cc: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: <stable@vger.kernel.org> [4.13+] Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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