| Message ID | 20170120192348.2049-1-michal.winiarski@intel.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Fri, Jan 20, 2017 at 07:54:09PM -0000, Patchwork wrote: > == Series Details == > > Series: series starting with [CI,1/3] drm/i915/huc: Avoid attempting to authenticate non-existent fw > URL : https://patchwork.freedesktop.org/series/18320/ > State : failure > > == Summary == > > Series 18320v1 Series without cover letter > https://patchwork.freedesktop.org/api/1.0/series/18320/revisions/1/mbox/ > > Test gem_busy: > Subgroup basic-busy-default: > pass -> FAIL (fi-ivb-3520m) > > fi-bdw-5557u total:246 pass:232 dwarn:0 dfail:0 fail:0 skip:14 > fi-bsw-n3050 total:246 pass:207 dwarn:0 dfail:0 fail:0 skip:39 > fi-bxt-j4205 total:246 pass:224 dwarn:0 dfail:0 fail:0 skip:22 > fi-bxt-t5700 total:79 pass:66 dwarn:0 dfail:0 fail:0 skip:12 > fi-byt-j1900 total:246 pass:219 dwarn:0 dfail:0 fail:0 skip:27 > fi-byt-n2820 total:246 pass:215 dwarn:0 dfail:0 fail:0 skip:31 > fi-hsw-4770 total:246 pass:227 dwarn:0 dfail:0 fail:0 skip:19 > fi-hsw-4770r total:246 pass:227 dwarn:0 dfail:0 fail:0 skip:19 > fi-ivb-3520m total:246 pass:224 dwarn:0 dfail:0 fail:1 skip:21 > fi-ivb-3770 total:246 pass:225 dwarn:0 dfail:0 fail:0 skip:21 > fi-kbl-7500u total:246 pass:225 dwarn:0 dfail:0 fail:0 skip:21 > fi-skl-6260u total:246 pass:233 dwarn:0 dfail:0 fail:0 skip:13 > fi-skl-6700hq total:246 pass:226 dwarn:0 dfail:0 fail:0 skip:20 > fi-skl-6700k total:246 pass:222 dwarn:3 dfail:0 fail:0 skip:21 > fi-skl-6770hq total:246 pass:233 dwarn:0 dfail:0 fail:0 skip:13 > fi-snb-2520m total:246 pass:215 dwarn:0 dfail:0 fail:0 skip:31 > fi-snb-2600 total:246 pass:214 dwarn:0 dfail:0 fail:0 skip:32 > > aa012aa081f6a6d2dd5a1df0f3c3736017df0d56 drm-tip: 2017y-01m-20d-09h-33m-30s UTC integration manifest [> 1c4d947 HAX enable guc loading for CI] > 11081a4 drm/i915/huc: Assert that HuC vma is placed in GuC accessible range > d8c841a drm/i915/huc: Avoid attempting to authenticate non-existent fw Applied, thanks for the patch and review. -Chris
diff --git a/drivers/gpu/drm/i915/intel_huc.c b/drivers/gpu/drm/i915/intel_huc.c index 897ef31..5edd4f7 100644 --- a/drivers/gpu/drm/i915/intel_huc.c +++ b/drivers/gpu/drm/i915/intel_huc.c @@ -299,6 +299,9 @@ void intel_guc_auth_huc(struct drm_i915_private *dev_priv) int ret; u32 data[2]; + if (huc->fw.load_status != INTEL_UC_FIRMWARE_SUCCESS) + return; + vma = i915_gem_object_ggtt_pin(huc->fw.obj, NULL, 0, 0, PIN_OFFSET_BIAS | GUC_WOPCM_TOP); if (IS_ERR(vma)) {
HuC authentication is called even if HuC firmware is not present in the system, leading to NULL ptr dereference on not allocated gem_object. Let's avoid trying to authenticate HuC if its firmware is not loaded successfully. Fixes: dac84a388528 ("drm/i915/huc: Support HuC authentication") v2: Check inside the auth function, split the assert (Michał) v3: Oops, hit send before compiling, s/huc_fw/huc->fw Cc: Anusha Srivatsa <anusha.srivatsa@intel.com> Cc: Arkadiusz Hiler <arkadiusz.hiler@intel.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Michal Wajdeczko <michal.wajdeczko@intel.com> Signed-off-by: Michał Winiarski <michal.winiarski@intel.com> --- drivers/gpu/drm/i915/intel_huc.c | 3 +++ 1 file changed, 3 insertions(+)