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From: Stephen Boyd <sboyd@kernel.org>
To: Brendan Higgins <brendanhiggins@google.com>,
	frowand.list@gmail.com, gregkh@linuxfoundation.org,
	jpoimboe@redhat.com, keescook@google.com,
	kieran.bingham@ideasonboard.com, mcgrof@kernel.org,
	peterz@infradead.org, robh@kernel.org, shuah@kernel.org,
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Cc: devicetree@vger.kernel.org, dri-devel@lists.freedesktop.org,
	kunit-dev@googlegroups.com, linux-doc@vger.kernel.org,
	linux-fsdevel@vger.kernel.org, linux-kbuild@vger.kernel.org,
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	linux-nvdimm@lists.01.org, linux-um@lists.infradead.org,
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	amir73il@gmail.com, dan.carpenter@oracle.com, daniel@ffwll.ch,
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	khilman@baylibre.com, knut.omang@oracle.com, logang@deltatee.com,
	mpe@ellerman.id.au, pmladek@suse.com, rdunlap@infradead.org,
	richard@nod.at, rientjes@google.com, rostedt@goodmis.org,
	wfg@linux.intel.com, Brendan Higgins <brendanhiggins@google.com>
Subject: Re: [PATCH v4 02/18] kunit: test: add test resource management API
Date: Thu, 16 May 2019 17:38:46 -0700
Message-ID: <20190517003847.0962F2082E@mail.kernel.org> (raw)
In-Reply-To: <20190514221711.248228-3-brendanhiggins@google.com>

Quoting Brendan Higgins (2019-05-14 15:16:55)
> diff --git a/kunit/test.c b/kunit/test.c
> index 86f65ba2bcf92..a15e6f8c41582 100644
> --- a/kunit/test.c
> +++ b/kunit/test.c
[..]
> +
> +void *kunit_kmalloc(struct kunit *test, size_t size, gfp_t gfp)
> +{
> +       struct kunit_kmalloc_params params;
> +       struct kunit_resource *res;
> +
> +       params.size = size;
> +       params.gfp = gfp;
> +
> +       res = kunit_alloc_resource(test,
> +                                  kunit_kmalloc_init,
> +                                  kunit_kmalloc_free,
> +                                  &params);
> +
> +       if (res)
> +               return res->allocation;
> +       else
> +               return NULL;

Can be written as

	if (res)
		return ....
	return 

and some static analysis tools prefer this.

> +}
> +
> +void kunit_cleanup(struct kunit *test)
> +{
> +       struct kunit_resource *resource, *resource_safe;
> +       unsigned long flags;
> +
> +       spin_lock_irqsave(&test->lock, flags);

Ah ok, test->lock is protecting everything now? Does it need to be a
spinlock, or can it be a mutex?

> +       list_for_each_entry_safe(resource,
> +                                resource_safe,
> +                                &test->resources,
> +                                node) {
> +               kunit_free_resource(test, resource);
> +       }
> +       spin_unlock_irqrestore(&test->lock, flags);
> +}
> +

  reply index

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-14 22:16 [PATCH v4 00/18] kunit: introduce KUnit, the Linux kernel unit testing framework Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 01/18] kunit: test: add KUnit test runner core Brendan Higgins
2019-05-17  0:35   ` Stephen Boyd
2019-05-17 18:53   ` Stephen Boyd
2019-06-14 23:22     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 02/18] kunit: test: add test resource management API Brendan Higgins
2019-05-17  0:38   ` Stephen Boyd [this message]
2019-06-04 23:34     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 03/18] kunit: test: add string_stream a std::stream like string builder Brendan Higgins
2019-05-17 17:42   ` Stephen Boyd
2019-06-05  0:19     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 04/18] kunit: test: add kunit_stream a std::stream like logger Brendan Higgins
2019-05-17 17:58   ` Stephen Boyd
2019-06-05  0:47     ` Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 05/18] kunit: test: add the concept of expectations Brendan Higgins
2019-05-14 22:16 ` [PATCH v4 06/18] kbuild: enable building KUnit Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 07/18] kunit: test: add initial tests Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 08/18] objtool: add kunit_try_catch_throw to the noreturn list Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 09/18] kunit: test: add support for test abort Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 10/18] kunit: test: add tests for kunit " Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 11/18] kunit: test: add the concept of assertions Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 12/18] kunit: test: add tests for KUnit managed resources Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 13/18] kunit: tool: add Python wrappers for running KUnit tests Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 14/18] kunit: defconfig: add defconfigs for building " Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 15/18] Documentation: kunit: add documentation for KUnit Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 16/18] MAINTAINERS: add entry for KUnit the unit testing framework Brendan Higgins
2019-05-14 23:25   ` Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 17/18] kernel/sysctl-test: Add null pointer test for sysctl.c:proc_dointvec() Brendan Higgins
2019-05-17 18:22   ` Stephen Boyd
2019-06-06  1:29     ` Iurii Zaikin
2019-06-07 19:00       ` Stephen Boyd
2019-06-07 22:22         ` Brendan Higgins
2019-06-11 17:58         ` Brendan Higgins
2019-06-11 18:50           ` Stephen Boyd
2019-06-11 20:29             ` Brendan Higgins
2019-05-14 22:17 ` [PATCH v4 18/18] MAINTAINERS: add proc sysctl KUnit test to PROC SYSCTL section Brendan Higgins

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