On Wed, Jan 25, 2017 at 12:30:40PM -0500, Rob Clark wrote:
> From: Rob Clark <rcl...@redhat.com>
>
> Perhaps some newer versions of gcc are more clever about this.
>
> drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c: In function
> 'gk104_top_oneinit':
> include/linux/device.h:1164:45: error: 'inst' may be used uninitialized in
> this function [-Werror=maybe-uninitialized]
> #define dev_info(dev, fmt, arg...) _dev_info(dev, fmt, ##arg)
> ^
Why is maybe-unitialized an error? We've tried that with i915, it ended in
tears ...
-Daniel
> drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c:32:18: note: 'inst' was
> declared here
> u32 data, type, inst;
> ^
>
> Signed-off-by: Rob Clark <rcl...@redhat.com>
> ---
> drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
> b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
> index efac340..d352bbb 100644
> --- a/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
> +++ b/drivers/gpu/drm/nouveau/nvkm/subdev/top/gk104.c
> @@ -29,7 +29,7 @@ gk104_top_oneinit(struct nvkm_top *top)
> struct nvkm_subdev *subdev = &top->subdev;
> struct nvkm_device *device = subdev->device;
> struct nvkm_top_device *info = NULL;
> - u32 data, type, inst;
> + u32 data, type = 0, inst = 0;
> int i;
>
> for (i = 0; i < 64; i++) {
> --
> 2.9.3
>
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--
Daniel Vetter
Software Engineer, Intel Corporation
http://blog.ffwll.ch
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