From patchwork Sat Dec 21 17:34:42 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mohamed Khalfella X-Patchwork-Id: 13917889 Received: from mail-pl1-f182.google.com (mail-pl1-f182.google.com [209.85.214.182]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id AD1EDA59; Sat, 21 Dec 2024 17:36:12 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.182 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734802574; cv=none; b=cvJwKB87RyKB7uTqaEVa5AMOjIiUyc3kbwELpErsCq7PJektj377MlC5JeS+YVb8SG3fjkGVaaXRQCQehJQixD9bEefZb7aBqhftbCyRAZO+sGlCmXTkWq6b3THHj51KART58TGUd7qfhM2b8jnGmTUn3oslHWzRoFTRBAzGv+I= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1734802574; c=relaxed/simple; bh=tU+O+KZOr36RsTmzJu2opu6UgeAiZdWTfapZVJd1x5I=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=D6d31VeWKuZ0eK7tszzg1oJ5HAaOd9mfuQyIq6oiht8/7hMvVWuZuHxj+QwYp3WSSV/NfP/nGaXJgEWm0i5P3Jy9ZN9XdyALk3sIFO3N4I7RLoKgrIjDg0Plo0Yo5hP23/vEpD6HYShan4liS4v88Q9wY7Mja0slqOTmV0ylZ58= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=GmXqCrBR; arc=none smtp.client-ip=209.85.214.182 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="GmXqCrBR" Received: by mail-pl1-f182.google.com with SMTP id d9443c01a7336-2156e078563so26685985ad.2; Sat, 21 Dec 2024 09:36:12 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1734802572; x=1735407372; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=/gXKafZVySW/I6RvOsdRN7NnO8pCEPiUbxSPkwY5oIk=; b=GmXqCrBRM+un1vFDs0Y6sAtxRzpFymxB/awV85rvoHGE+YbFqI7CxI3FA46YKs2k7q GYxzlFNr2cVD/XhniydlW8T8Qn5cKQPdOQNZBam2TMyvLox56deLik35KKxxKZIzNBcM l2vC3No2hnpZ7qluPSwLJrQ0pZgaAGS8uJrHUqBbxxsNpwVpJZHNo92cjK2T58hi/F6F w9NyB9keyI5qQ4jngboO97nUwE8LaDtspRQiv2/Gv8Omn6el4YjkRmK4IJnNi3zJTAve ZsaKDFLQ/AqNnXHvhBw0yaKX30Ct6Rh88C4H8oUeaEMjDy/zlVcmIubSvIV2arfwD82d K6SA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1734802572; x=1735407372; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=/gXKafZVySW/I6RvOsdRN7NnO8pCEPiUbxSPkwY5oIk=; b=Rv/1IEcbzO+w2oGdyr2XyouVMUzyzYH0q1yLI/99EqcYlrolWNg5XF4J/bbV7abx/b ahrMNqELYITXFhdnh5elageRl0qElLHZlUYeC0CMXDsed4VLXXaXqTV8ily0Pd51f5B/ urV/Dp5zSV/+d0LWB4DyquCpPaqooLIJrXSlfITXI5UDTPqIolr+ovRsexz5doLdMUDr 8j7Uq/5oP1piTFQ8/8y9IMohe1GUbLf5DYhLitqTsUw1GdqdCCJsgoTpugwEmnMGXmye dlYSeN824vernkW5lvSji+g0x3IJDy0SNZkGM9MbRZsiSICh2bS2nUnDrtcMBxHvJJ75 gSig== X-Forwarded-Encrypted: i=1; AJvYcCVMkH6BcvN9lmVsD+fsZhwxx47q9rr9xbpYFfHoeRKS/AgHhJw4e1Cheq1U49PZpYLUreNhoFnLBRPk@vger.kernel.org, AJvYcCWJbLGPe3HoDT3/6meK/zLKch1VFj7vKkQsvbKVOPHqAOjZo56MK/QJndO1N3p1bed0Bye4+0sXljbA624=@vger.kernel.org X-Gm-Message-State: AOJu0Yz2pQVvlwqMVoW6OP0VbvQTvdq7A/nAn8c0pOQ9dMHUctRUKLGW cqoteVkAxERsvMlO7Lj9ODDHj2YhxqA2zK8hRon/Q3CQSGr4in4o X-Gm-Gg: ASbGnctOLOmCc2uDs4yTa0WR8yc54RVCM4+5cnij6g/HGJcxyB4WimsMvs5Lc36fPnX Fz9yPUkWUFbMgrPGcNx4NfJSbt7aeNPwdKdDbDX5bItmOKDsX2dHn9ps4uKd0pP5BXD4vo2oWgE QTX6SxOv2XKawWkkCasLQ2bQfQeUjHfZsbNvQ8ObuUirMsmy05ZVToEK9S6ggeckZhAsky359mQ kfdHvHqDdV8ZFhd43ehTijaHlVOilzS5+Tah4cr4Naeny+2wv5jIbOoEUNnS7Wz1/vK/2OTqY9t aWyc8q95P7pkxupQTH2XKxX5OA== X-Google-Smtp-Source: AGHT+IFnwf5L4ZUOgclEzopgUEVjQ273jKX8nb4A+1KEkRifPe7gssLnCwwtDHO32LCRMBN/FCXQ7A== X-Received: by 2002:a17:902:d483:b0:216:73a5:ea16 with SMTP id d9443c01a7336-219e6e9e08amr81928555ad.21.1734802571907; Sat, 21 Dec 2024 09:36:11 -0800 (PST) Received: from localhost.localdomain (c-24-7-117-60.hsd1.ca.comcast.net. [24.7.117.60]) by smtp.googlemail.com with ESMTPSA id d9443c01a7336-219dc962961sm46584115ad.13.2024.12.21.09.36.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 21 Dec 2024 09:36:11 -0800 (PST) From: Mohamed Khalfella To: Manivannan Sadhasivam , =?utf-8?q?Krzy?= =?utf-8?q?sztof_Wilczy=C5=84ski?= , Kishon Vijay Abraham I , Bjorn Helgaas , Niklas Cassel , Frank Li , Damien Le Moal , Mohamed Khalfella , Wang Jiang Cc: =?utf-8?q?Krzysztof_Wilczy=C5=84ski?= , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v2] PCI: endpoint: Set RX DMA channel to NULL after freeing it Date: Sat, 21 Dec 2024 09:34:42 -0800 Message-ID: <20241221173453.1625232-1-khalfella@gmail.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Fix a small bug in pci-epf-test driver. When requesting TX DMA channel fails, free already allocated RX channel and set it to NULL. Fixes: 8353813c88ef ("PCI: endpoint: Enable DMA tests for endpoints with DMA capabilities") Signed-off-by: Mohamed Khalfella Reviewed-by: Niklas Cassel --- drivers/pci/endpoint/functions/pci-epf-test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pci/endpoint/functions/pci-epf-test.c b/drivers/pci/endpoint/functions/pci-epf-test.c index ef6677f34116..d90c8be7371e 100644 --- a/drivers/pci/endpoint/functions/pci-epf-test.c +++ b/drivers/pci/endpoint/functions/pci-epf-test.c @@ -251,7 +251,7 @@ static int pci_epf_test_init_dma_chan(struct pci_epf_test *epf_test) fail_back_rx: dma_release_channel(epf_test->dma_chan_rx); - epf_test->dma_chan_tx = NULL; + epf_test->dma_chan_rx = NULL; fail_back_tx: dma_cap_zero(mask);