From: Alexandr Sapozhnkiov <alsp705@gmail.com>
To: Jani Nikula <jani.nikula@linux.intel.com>,
Joonas Lahtinen <joonas.lahtinen@linux.intel.com>,
Rodrigo Vivi <rodrigo.vivi@intel.com>,
Tvrtko Ursulin <tursulin@ursulin.net>,
David Airlie <airlied@gmail.com>, Daniel Vetter <daniel@ffwll.ch>,
intel-gfx@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
linux-kernel@vger.kernel.org
Cc: Alexandr Sapozhnikov <alsp705@gmail.com>,
linux-media@vger.kernel.org, lvc-project@linuxtesting.org
Subject: [PATCH 5.10] gpu/i915: fix error return in mmap_offset_attach()
Date: Mon, 22 Sep 2025 17:43:16 +0300 [thread overview]
Message-ID: <20250922144318.26-1-alsp705@gmail.com> (raw)
From: Alexandr Sapozhnikov <alsp705@gmail.com>
Return value of function 'drm_vma_node_allow', called
at i915_gem_mman.c:670, is not checked, but it is usually
checked for this function
Found by Linux Verification Center (linuxtesting.org) with SVACE.
Signed-off-by: Alexandr Sapozhnikov <alsp705@gmail.com>
---
drivers/gpu/drm/i915/gem/i915_gem_mman.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/gpu/drm/i915/gem/i915_gem_mman.c b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
index a2195e28b625..adaef8f09d59 100644
--- a/drivers/gpu/drm/i915/gem/i915_gem_mman.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_mman.c
@@ -706,8 +706,11 @@ mmap_offset_attach(struct drm_i915_gem_object *obj,
mmo = insert_mmo(obj, mmo);
GEM_BUG_ON(lookup_mmo(obj, mmap_type) != mmo);
out:
- if (file)
- drm_vma_node_allow_once(&mmo->vma_node, file);
+ if (file) {
+ err = drm_vma_node_allow_once(&mmo->vma_node, file);
+ if (err)
+ goto err;
+ }
return mmo;
err:
--
2.43.0
next reply other threads:[~2025-09-24 11:59 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-22 14:43 Alexandr Sapozhnkiov [this message]
2025-09-23 9:07 ` [PATCH 5.10] gpu/i915: fix error return in mmap_offset_attach() Krzysztof Karas
2025-09-24 11:31 ` Александр C
2025-09-24 14:35 ` ✗ LGCI.VerificationFailed: failure for " Patchwork
-- strict thread matches above, loose matches on Subject: below --
2025-10-02 8:48 [PATCH 5.10] " Alexandr Sapozhnkiov
2025-10-02 13:55 ` Rodrigo Vivi
2025-10-02 15:20 ` Ville Syrjälä
2025-10-02 16:59 ` Ville Syrjälä
2025-10-07 10:14 ` Andi Shyti
2025-10-07 21:23 ` Petr Vorel
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