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 502721DEFE0; Tue, 8 Oct 2024 13:17:59 +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=1728393480; cv=none; b=sQ8WUodcCMDTihAqBpDYxRqaLahja2Vaem9EV8utH+aUv/m0aTpoXEYXxjBB4UXV+8cTthbg2yhhkTP99L/z1hxkx+QjX4uvr2EJpxu58bfdFhamGPGekQNQhVyTJ6Yp4VfST2iLqB5kIFH6SHV+KJ0V0Pm5f38chguMSIdRw0I= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1728393480; c=relaxed/simple; bh=ldxWdiGI/KRpszdLsPoQ42wNM6rabCEpds+xmeQWy+4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ebt/AgQAQNty6R4aBcIccpNo/6j1vdk+1j/3MPW8qI7WNoE/kLnlK5pYgd9Jd9WsrJve4g2gJXXYSZJQv2AeO/pfWG1OXCBNO/O7gDJD2YmGpf9qIKro/oyRwtxi9gBQ1g9q7Q4ZdbZuS4CkMHJFJCq65OcyAOdnzcVzfKPdycE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=linuxfoundation.org header.i=@linuxfoundation.org header.b=P0kBP/tS; 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="P0kBP/tS" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 67834C4CEC7; Tue, 8 Oct 2024 13:17:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1728393479; bh=ldxWdiGI/KRpszdLsPoQ42wNM6rabCEpds+xmeQWy+4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=P0kBP/tSHi5zxMGcS2KIIm8uG28JU5dH0/TPiePxj543V48SZphS3Lm0n4JrY+pX1 eAJadIZ+i5sFln48dZFOmyGfupeVChj1fIY2wd8yTyv47GNIznpScFHKxtmdrLZvmZ t/AGgYIJqXSdw38fJr9MkpfKLFKGhrpOv02zFt9I= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Tim Huang , Jesse Zhang , Alex Deucher , Sasha Levin Subject: [PATCH 6.6 165/386] drm/amdgpu: fix unchecked return value warning for amdgpu_gfx Date: Tue, 8 Oct 2024 14:06:50 +0200 Message-ID: <20241008115635.916778132@linuxfoundation.org> X-Mailer: git-send-email 2.46.2 In-Reply-To: <20241008115629.309157387@linuxfoundation.org> References: <20241008115629.309157387@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: Tim Huang [ Upstream commit c0277b9d7c2ee9ee5dbc948548984f0fbb861301 ] This resolves the unchecded return value warning reported by Coverity. Signed-off-by: Tim Huang Reviewed-by: Jesse Zhang Signed-off-by: Alex Deucher Signed-off-by: Sasha Levin --- drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c | 18 ++++++++++++++---- 1 file changed, 14 insertions(+), 4 deletions(-) diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c index 0ca51df46cc0d..e7b053898f9e9 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_gfx.c @@ -793,8 +793,11 @@ int amdgpu_gfx_ras_late_init(struct amdgpu_device *adev, struct ras_common_if *r int r; if (amdgpu_ras_is_supported(adev, ras_block->block)) { - if (!amdgpu_persistent_edc_harvesting_supported(adev)) - amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX); + if (!amdgpu_persistent_edc_harvesting_supported(adev)) { + r = amdgpu_ras_reset_error_status(adev, AMDGPU_RAS_BLOCK__GFX); + if (r) + return r; + } r = amdgpu_ras_block_late_init(adev, ras_block); if (r) @@ -938,7 +941,10 @@ uint32_t amdgpu_kiq_rreg(struct amdgpu_device *adev, uint32_t reg) pr_err("critical bug! too many kiq readers\n"); goto failed_unlock; } - amdgpu_ring_alloc(ring, 32); + r = amdgpu_ring_alloc(ring, 32); + if (r) + goto failed_unlock; + amdgpu_ring_emit_rreg(ring, reg, reg_val_offs); r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); if (r) @@ -1004,7 +1010,10 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) } spin_lock_irqsave(&kiq->ring_lock, flags); - amdgpu_ring_alloc(ring, 32); + r = amdgpu_ring_alloc(ring, 32); + if (r) + goto failed_unlock; + amdgpu_ring_emit_wreg(ring, reg, v); r = amdgpu_fence_emit_polling(ring, &seq, MAX_KIQ_REG_WAIT); if (r) @@ -1040,6 +1049,7 @@ void amdgpu_kiq_wreg(struct amdgpu_device *adev, uint32_t reg, uint32_t v) failed_undo: amdgpu_ring_undo(ring); +failed_unlock: spin_unlock_irqrestore(&kiq->ring_lock, flags); failed_kiq_write: dev_err(adev->dev, "failed to write reg:%x\n", reg); -- 2.43.0