From da1ea128a6a4d6d52b02ded82933944161c1cb01 Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 6 Aug 2020 17:10:56 +0100 Subject: [PATCH] drm/i915/gem: Free the fence after a fence-chain lookup failure If dma_fence_chain_find_seqno() reports an error, it does so in its preamble before it disposes of the input fence. On handling the error, we need to drop the reference to the fence. Closes: https://gitlab.freedesktop.org/drm/intel/-/issues/2292 Signed-off-by: Chris Wilson Cc: Lionel Landwerlin Fixes: 13149e8bafc4 ("drm/i915: add syncobj timeline support") Reviewed-by: Lionel Landwerlin Link: https://patchwork.freedesktop.org/patch/msgid/20200806161056.17593-1-chris@chris-wilson.co.uk Signed-off-by: Rodrigo Vivi Signed-off-by: Joonas Lahtinen --- drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c index 9ce114d67288..24a1486d2dc5 100644 --- a/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c +++ b/drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c @@ -2289,6 +2289,7 @@ add_timeline_fence_array(struct i915_execbuffer *eb, if (err && !(user_fence.flags & I915_EXEC_FENCE_SIGNAL)) { DRM_DEBUG("Syncobj handle missing requested point %llu\n", point); + dma_fence_put(fence); drm_syncobj_put(syncobj); return err; }