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drm/i915/gt: Prevent error pointer dereference
Move the check for "if (IS_ERR(obj))" in front of the call to i915_gem_object_set_cache_coherency() which dereferences "obj". Otherwise it will lead to a crash. Fixes: 43aa755 ("drm/i915/mtl: Update cache coherency setting for context structure") Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org> Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com> Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/455b2279-2e08-4d00-9784-be56d8ee42e3@moroto.mountain (cherry picked from commit c92ec50) Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
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