linux-kernel - linux-next: build warnings after merge of the drm-misc tree

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Message-ID: <20150714130503.0d1ef33a@canb.auug.org.au>
Date:	Tue, 14 Jul 2015 13:05:03 +1000
From:	Stephen Rothwell <sfr@...b.auug.org.au>
To:	Daniel Vetter <daniel.vetter@...ll.ch>,
	<intel-gfx@...ts.freedesktop.org>,
	<dri-devel@...ts.freedesktop.org>
Cc:	linux-next@...r.kernel.org, linux-kernel@...r.kernel.org,
	Archit Taneja <architt@...eaurora.org>
Subject: linux-next: build warnings after merge of the drm-misc tree

Hi all,

After merging the drm-misc tree, today's linux-next build (x86_64
allmodconfig) produced these warnings:

drivers/gpu/drm/bochs/bochs_fbdev.c: In function 'bochsfb_create':
drivers/gpu/drm/bochs/bochs_fbdev.c:63:17: warning: unused variable 'device' [-Wunused-variable]
  struct device *device = &dev->pdev->dev;
                 ^

Caused by commit

  394111a2b303 ("drm/boschs: Use new drm_fb_helper functions")

drivers/gpu/drm/cirrus/cirrus_fbdev.c: In function 'cirrusfb_create':
drivers/gpu/drm/cirrus/cirrus_fbdev.c:247:1: warning: label 'out_iounmap' defined but not used [-Wunused-label]
 out_iounmap:
 ^

Caused by commit
  fd6ab591ce15 ("drm/cirrus: Use new drm_fb_helper functions")

drivers/gpu/drm/ast/ast_fb.c: In function 'astfb_create':
drivers/gpu/drm/ast/ast_fb.c:196:17: warning: unused variable 'device' [-Wunused-variable]
  struct device *device = &dev->pdev->dev;
                 ^

Caused by commit

  6f4900cd28c9 ("drm/ast: Use new drm_fb_helper functions")

drivers/gpu/drm/gma500/framebuffer.c: In function 'psbfb_create':
drivers/gpu/drm/gma500/framebuffer.c:346:17: warning: unused variable 'device' [-Wunused-variable]
  struct device *device = &dev->pdev->dev;
                 ^

Caused by commit

  3b9a13e85365 ("drm/gma500: Use new drm_fb_helper functions")

drivers/gpu/drm/mgag200/mgag200_fb.c: In function 'mgag200fb_create':
drivers/gpu/drm/mgag200/mgag200_fb.c:232:1: warning: label 'out' defined but not used [-Wunused-label]
 out:
 ^
drivers/gpu/drm/mgag200/mgag200_fb.c:169:17: warning: unused variable 'device' [-Wunused-variable]
  struct device *device = &dev->pdev->dev;
                 ^

Caused by commit

  53ebb642ccba ("drm/mgag200: Use new drm_fb_helper functions")

drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c: In function 'amdgpufb_create':
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c:206:9: warning: passing argument 1 of 'PTR_ERR' makes pointer from integer without a cast
   ret = PTR_ERR(ret);
         ^
In file included from arch/x86/include/asm/processor.h:31:0,
                 from arch/x86/include/asm/thread_info.h:49,
                 from include/linux/thread_info.h:54,
                 from arch/x86/include/asm/preempt.h:6,
                 from include/linux/preempt.h:64,
                 from include/linux/spinlock.h:50,
                 from include/linux/seqlock.h:35,
                 from include/linux/time.h:5,
                 from include/linux/stat.h:18,
                 from include/linux/module.h:10,
                 from drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c:26:
include/linux/err.h:28:33: note: expected 'const void *' but argument is of type 'int'
 static inline long __must_check PTR_ERR(__force const void *ptr)
                                 ^
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c:182:17: warning: unused variable 'device' [-Wunused-variable]
  struct device *device = &adev->pdev->dev;
                 ^
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c: In function 'amdgpu_fbdev_destroy':
drivers/gpu/drm/amd/amdgpu/amdgpu_fb.c:283:18: warning: unused variable 'info' [-Wunused-variable]
  struct fb_info *info;
                  ^

Caused by commit

  9d70561ba3b1 ("drm/amdgpu: Use new drm_fb_helper functions")

drivers/gpu/drm/udl/udl_fb.c: In function 'udlfb_create':
drivers/gpu/drm/udl/udl_fb.c:479:17: warning: unused variable 'device' [-Wunused-variable]
  struct device *device = dev->dev;
                 ^

Caused by commit

  457959f2ed5f ("drm/udl: Use new drm_fb_helper functions")

drivers/gpu/drm/radeon/radeon_fb.c: In function 'radeonfb_create':
drivers/gpu/drm/radeon/radeon_fb.c:230:17: warning: unused variable 'device' [-Wunused-variable]
  struct device *device = &rdev->pdev->dev;
                 ^

Caused by commit

  4bc29bb98bae ("drm/radeon: Use new drm_fb_helper functions")

drivers/gpu/drm/nouveau/nouveau_fbcon.c: In function 'nouveau_fbcon_create':
drivers/gpu/drm/nouveau/nouveau_fbcon.c:322:18: warning: unused variable 'pdev' [-Wunused-variable]
  struct pci_dev *pdev = dev->pdev;
                  ^

Caused by commit

  237fc6452ca5 ("drm/nouveau: Use new drm_fb_helper functions")

I think "COMPILE TESTED ONLY" should at least include eliminating such
warnings ...
-- 
Cheers,
Stephen Rothwell                    sfr@...b.auug.org.au

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