]> git.proxmox.com Git - mirror_ubuntu-kernels.git/commitdiff
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)
committerImre Deak <imre.deak@intel.com>
Mon, 17 Jul 2017 11:24:16 +0000 (14:24 +0300)
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
drivers/gpu/drm/i915/i915_gem_execbuffer.c

index 929f275e67aa632e10ccda6006af07515f861f48..fe3e0d40034c3cbab3e014cae79401851745a1c2 100644 (file)
@@ -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 {