linux-kernel - [PATCH AUTOSEL 6.12 4/8] kunit: platform: Resolve 'struct completion' warning

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Message-Id: <20250129125930.1273051-4-sashal@kernel.org>
Date: Wed, 29 Jan 2025 07:59:24 -0500
From: Sasha Levin <sashal@...nel.org>
To: linux-kernel@...r.kernel.org,
	stable@...r.kernel.org
Cc: Brian Norris <briannorris@...omium.org>,
	kernel test robot <lkp@...el.com>,
	David Gow <davidgow@...gle.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Sasha Levin <sashal@...nel.org>,
	brendan.higgins@...ux.dev,
	linux-kselftest@...r.kernel.org,
	kunit-dev@...glegroups.com
Subject: [PATCH AUTOSEL 6.12 4/8] kunit: platform: Resolve 'struct completion' warning

From: Brian Norris <briannorris@...omium.org>

[ Upstream commit 7687c66c18c66d4ccd9949c6f641c0e7b5773483 ]

If the <kunit/platform_device.h> header is included in a test without
certain other headers, it produces compiler warnings like:

In file included from [...]
../include/kunit/platform_device.h:15:57: warning: ‘struct completion’
declared inside parameter list will not be visible outside of this
definition or declaration
   15 |                                                  struct completion *x);
      |                                                         ^~~~~~~~~~

Add a 'struct completion' forward declaration to resolve this.

Reported-by: kernel test robot <lkp@...el.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202412241958.dbAImJsA-lkp@intel.com/
Signed-off-by: Brian Norris <briannorris@...omium.org>
Reviewed-by: David Gow <davidgow@...gle.com>
Link: https://lore.kernel.org/r/20241213180841.3023843-1-briannorris@chromium.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 include/kunit/platform_device.h | 1 +
 1 file changed, 1 insertion(+)

diff --git a/include/kunit/platform_device.h b/include/kunit/platform_device.h
index 0fc0999d2420a..f8236a8536f7e 100644
--- a/include/kunit/platform_device.h
+++ b/include/kunit/platform_device.h
@@ -2,6 +2,7 @@
 #ifndef _KUNIT_PLATFORM_DRIVER_H
 #define _KUNIT_PLATFORM_DRIVER_H
 
+struct completion;
 struct kunit;
 struct platform_device;
 struct platform_driver;
-- 
2.39.5