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From: Li Zhong <floridsleeves@gmail.com>
To: linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
	linaro-mm-sig@lists.linaro.org, dri-devel@lists.freedesktop.org,
	intel-gfx@lists.freedesktop.org
Cc: airlied@linux.ie, sumit.semwal@linaro.org,
	Li Zhong <floridsleeves@gmail.com>,
	daniel@ffwll.ch, rodrigo.vivi@intel.com, airlied@redhat.com,
	christian.koenig@amd.com
Subject: [Intel-gfx] [PATCH v1] drivers/gpu/drm/i915/gt: Check the return value of i915_active_acquire()
Date: Sun, 18 Sep 2022 15:07:31 -0700	[thread overview]
Message-ID: <20220918220731.1026200-1-floridsleeves@gmail.com> (raw)

i915_active_acquire() could return error when the acquire fails. Check
and return the error code.

Signed-off-by: Li Zhong <floridsleeves@gmail.com>
---
 drivers/gpu/drm/i915/gt/intel_timeline.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/i915/gt/intel_timeline.c b/drivers/gpu/drm/i915/gt/intel_timeline.c
index b9640212d659..d8333ab64574 100644
--- a/drivers/gpu/drm/i915/gt/intel_timeline.c
+++ b/drivers/gpu/drm/i915/gt/intel_timeline.c
@@ -211,7 +211,10 @@ int intel_timeline_pin(struct intel_timeline *tl, struct i915_gem_ww_ctx *ww)
 	GT_TRACE(tl->gt, "timeline:%llx using HWSP offset:%x\n",
 		 tl->fence_context, tl->hwsp_offset);
 
-	i915_active_acquire(&tl->active);
+	err = i915_active_acquire(&tl->active);
+	if (err)
+		return err;
+
 	if (atomic_fetch_inc(&tl->pin_count)) {
 		i915_active_release(&tl->active);
 		__i915_vma_unpin(tl->hwsp_ggtt);
-- 
2.25.1


             reply	other threads:[~2022-09-19 13:29 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-09-18 22:07 Li Zhong [this message]
2022-09-19  8:34 ` [Intel-gfx] [PATCH v1] drivers/gpu/drm/i915/gt: Check the return value of i915_active_acquire() Jani Nikula
2022-09-19 19:25 ` [Intel-gfx] ✗ Fi.CI.SPARSE: warning for " Patchwork
2022-09-19 19:25 ` [Intel-gfx] ✗ Fi.CI.DOCS: " Patchwork
2022-09-19 19:47 ` [Intel-gfx] ✓ Fi.CI.BAT: success " Patchwork
2022-09-20  1:59 ` [Intel-gfx] ✗ Fi.CI.IGT: failure " Patchwork

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