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lib: new testcases for bitmap_parse{_user}

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New version of bitmap_parse() is unified with bitmap_parse_list(),
and therefore:

- weakens rules on whitespaces and commas between hex chunks;

- in addition to

- allows passing UINT_MAX or any other big number as the length of input
  string instead of actual string length.

The patch covers the cases.

Link: http://lkml.kernel.org/r/20200102043031.30357-7-yury.norov@gmail.com
Signed-off-by: Yury Norov <yury.norov@gmail.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Amritha Nambiar <amritha.nambiar@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Kees Cook <keescook@chromium.org>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Miklos Szeredi <mszeredi@redhat.com>
Cc: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Cc: Steffen Klassert <steffen.klassert@secunet.com>
Cc: "Tobin C . Harding" <tobin@kernel.org>
Cc: Vineet Gupta <vineet.gupta1@synopsys.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Yury Norov 2020-02-03 17:37:38 -08:00 committed by Linus Torvalds
parent 2d6261583b
commit 809e308f7f
1 changed files with 8 additions and 0 deletions
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8
lib/test_bitmap.c
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@ -415,14 +415,22 @@ static const unsigned long parse_test2[] __initconst = {
};
static const struct test_bitmap_parselist parse_tests[] __initconst = {
{0, "", &parse_test[0 * step], 32, 0},
{0, " ", &parse_test[0 * step], 32, 0},
{0, "0", &parse_test[0 * step], 32, 0},
{0, "0\n", &parse_test[0 * step], 32, 0},
{0, "1", &parse_test[1 * step], 32, 0},
{0, "deadbeef", &parse_test[2 * step], 32, 0},
{0, "1,0", &parse_test[3 * step], 33, 0},
{0, "deadbeef,\n,0,1", &parse_test[2 * step], 96, 0},
{0, "deadbeef,1,0", &parse_test2[0 * 2 * step], 96, 0},
{0, "baadf00d,deadbeef,1,0", &parse_test2[1 * 2 * step], 128, 0},
{0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, 0},
{0, "badf00d,deadbeef,1,0", &parse_test2[2 * 2 * step], 124, NO_LEN},
{0, " badf00d,deadbeef,1,0 ", &parse_test2[2 * 2 * step], 124, 0},
{0, " , badf00d,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0},
{0, " , badf00d, ,, ,,deadbeef,1,0 , ", &parse_test2[2 * 2 * step], 124, 0},
{-EINVAL, "goodfood,deadbeef,1,0", NULL, 128, 0},
{-EOVERFLOW, "3,0", NULL, 33, 0},