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authorImre Deak <imre.deak@intel.com>2017-07-14 18:12:42 +0300
committerDaniel Vetter <daniel.vetter@ffwll.ch>2017-07-27 11:20:44 +0200
commit7728124af30e04b9c2c3e3125e28963b065867c2 (patch)
treed1f95e7fc09f6f19cd72a87ba9ba5c9261bfbb98 /drivers/gpu
parent520eccdfe187591a51ea9ab4c1a024ae4d0f68d9 (diff)
drm/i915: Fix user ptr check size in eb_relocate_vma()
Fix the sizeof(ptr) vs. sizeof(*ptr) typo. Fixes: 2889caa92321 ("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 (cherry picked from commit edd9003f7f9dddd28fdd768e6e7569d996c769cb) Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu')
-rw-r--r--drivers/gpu/drm/i915/i915_gem_execbuffer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 054b2e54cdaf..8d6a783b06ba 100644
--- a/drivers/gpu/drm/i915/i915_gem_execbuffer.c
+++ b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
@@ -1458,7 +1458,7 @@ 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 {