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drm/i915: Fix user ptr check size in eb_relocate_vma()
authorImre Deak <imre.deak@intel.com>
Fri, 14 Jul 2017 15:12:42 +0000 (18:12 +0300)
committerDaniel Vetter <daniel.vetter@ffwll.ch>
Thu, 27 Jul 2017 09:20:44 +0000 (11:20 +0200)
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>
drivers/gpu/drm/i915/i915_gem_execbuffer.c patch | blob | blame | history

diff --git a/drivers/gpu/drm/i915/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/i915_gem_execbuffer.c
index 054b2e54cdafd765e82f9a86276c863744f3cd14..8d6a783b06ba635b93b1d1a054b333b2a974c5ce 100644 (file)
--- 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 {