From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id EECDA13C9D9; Fri, 6 Dec 2024 15:01:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733497294; cv=none; b=iWGmhqXA9P+B9jJOJ/OL4m8pMWxIQ7LzEfX5fvAfftZyapS3PlPcuNuuWnEqF31CMF9N0kCrE9SvwCOOqvoVWieXdwiwK8k7b/HHvYSw2LE/9+d/S4QQo3DNZKbigV95P8lJdVPkDUC0OA9eZbJpANAoDC0FJdwCODxjSpoq7sE= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1733497294; c=relaxed/simple; bh=O+46Eo+rZL7Yc8hIjuSnGf+H8vFmgINbwB8UuxjYJrc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=oBX9fGlEw9dZbcgb1cBYAMxUgNNKZ7O6niPA2hfn0BRkgiweC7MyWYB46vSz0Vxf0Le13rg8691OMjNwAsKfeY/sMSKWjG0U/GT2h+dQcUP4KrQBlEZFLcbaLyo7/GMzKroIt34a54EeuDy+VuGJ06QzrasCFb3EbcjOGH32i9E= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=WL/05PlV; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b="WL/05PlV" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5EA64C4CED1; Fri, 6 Dec 2024 15:01:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1733497293; bh=O+46Eo+rZL7Yc8hIjuSnGf+H8vFmgINbwB8UuxjYJrc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=WL/05PlVlesC33zER5EeqrUN+vUcS/CHHCzS+cTFlrAej3TdiIh5z/S0WKWMurQAk mAzEUp0RKvPjUa4ycpbFhfI+jsGVUCnGCV0RcLqHXH6D4+LYKgTDG9mKEowsNPgUH0 MIFW+1MbSfkFBn5ooan3KiqMDsRVqI1KTJyKG0rI= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Li Huafei , Lyude Paul , Sasha Levin Subject: [PATCH 6.6 219/676] drm/nouveau/gr/gf100: Fix missing unlock in gf100_gr_chan_new() Date: Fri, 6 Dec 2024 15:30:38 +0100 Message-ID: <20241206143701.893727643@linuxfoundation.org> X-Mailer: git-send-email 2.47.1 In-Reply-To: <20241206143653.344873888@linuxfoundation.org> References: <20241206143653.344873888@linuxfoundation.org> User-Agent: quilt/0.67 X-stable: review X-Patchwork-Hint: ignore Precedence: bulk X-Mailing-List: stable@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 6.6-stable review patch. If anyone has any objections, please let me know. ------------------ From: Li Huafei [ Upstream commit a2f599046c671d6b46d93aed95b37241ce4504cf ] When the call to gf100_grctx_generate() fails, unlock gr->fecs.mutex before returning the error. Fixes smatch warning: drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c:480 gf100_gr_chan_new() warn: inconsistent returns '&gr->fecs.mutex'. Fixes: ca081fff6ecc ("drm/nouveau/gr/gf100-: generate golden context during first object alloc") Signed-off-by: Li Huafei Reviewed-by: Lyude Paul Signed-off-by: Lyude Paul Link: https://patchwork.freedesktop.org/patch/msgid/20241026173844.2392679-1-lihuafei1@huawei.com Signed-off-by: Sasha Levin --- drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c index 3648868bb9fc5..cd533d16b9663 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/gr/gf100.c @@ -443,6 +443,7 @@ gf100_gr_chan_new(struct nvkm_gr *base, struct nvkm_chan *fifoch, ret = gf100_grctx_generate(gr, chan, fifoch->inst); if (ret) { nvkm_error(&base->engine.subdev, "failed to construct context\n"); + mutex_unlock(&gr->fecs.mutex); return ret; } } -- 2.43.0