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drm/i915: Fix user ptr check size in eb_relocate_vma() 

Fix the sizeof(ptr) vs. sizeof(*ptr) typo.

Fixes: 2889caa923 ("drm/i915: Eliminate lots of iterations over the execobjects array")
Cc: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Link: http://patchwork.freedesktop.org/patch/msgid/20170714151242.517-2-imre.deak@intel.com
hifive-unleashed-5.1
Imre Deak 2017-07-14 18:12:42 +03:00
parent 635f56c342
commit edd9003f7f
1 changed files with 1 additions and 1 deletions
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2
drivers/gpu/drm/i915/i915_gem_execbuffer.c
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@ -1459,7 +1459,7 @@ static int eb_relocate_vma(struct i915_execbuffer *eb, struct i915_vma *vma)
* to read. However, if the array is not writable the user loses
* the updated relocation values.
*/
if (unlikely(!access_ok(VERIFY_READ, urelocs, remain*sizeof(urelocs))))
if (unlikely(!access_ok(VERIFY_READ, urelocs, remain*sizeof(*urelocs))))
return -EFAULT;
do {