On Fri, Sep 01, 2017 at 07:54:34PM +0300, [email protected] wrote:
> From: Ville Syrjälä <[email protected]>
> 
> Add the missing __user to the urelocs cast to fix the following sparse
> warning:
> i915_gem_execbuffer.c:1541:47: warning: cast removes address space of 
> expression
> i915_gem_execbuffer.c:1541:62: warning: incorrect type in argument 2 
> (different address spaces)
> i915_gem_execbuffer.c:1541:62:    expected void const [noderef] <asn:1>*from
> i915_gem_execbuffer.c:1541:62:    got char *
> 
> Cc: Chris Wilson <[email protected]
> Fixes: 2889caa92321 ("drm/i915: Eliminate lots of iterations over the 
> execobjects array")
> Signed-off-by: Ville Syrjälä <[email protected]>

Pushed to dinq with Maarten's irq r-b

20:18 < vsyrjala> some care to r-b 
https://patchwork.freedesktop.org/patch/174831/ ?
...
20:39 < mlankhorst> irc r-b
20:48 < mlankhorst> vsyrjala: ^

> ---
>  drivers/gpu/drm/i915/i915_gem_execbuffer.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c 
> b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> index 8a9d37ac16d4..96f7fa983cbc 100644
> --- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> +++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
> @@ -1538,7 +1538,7 @@ static int eb_copy_relocations(const struct 
> i915_execbuffer *eb)
>                               min_t(u64, BIT_ULL(31), size - copied);
>  
>                       if (__copy_from_user((char *)relocs + copied,
> -                                          (char *)urelocs + copied,
> +                                          (char __user *)urelocs + copied,
>                                            len)) {
>                               kvfree(relocs);
>                               err = -EFAULT;
> -- 
> 2.13.5
> 
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-- 
Ville Syrjälä
Intel OTC
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