From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mails.dpdk.org (mails.dpdk.org [217.70.189.124]) by smtp.lore.kernel.org (Postfix) with ESMTP id 41531C61DE4 for ; Mon, 31 Aug 2026 02:42:59 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id AF02B40DF5; Mon, 31 Aug 2026 04:42:57 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 836A540A80; Mon, 31 Aug 2026 04:42:55 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowAD3AUAt6pRqKdWjBg--.34331S2; Mon, 31 Aug 2026 10:42:54 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org, Jie Liu , stable@dpdk.org Subject: [PATCH v7 19/47] net/sxe2: guard PCI BAR unmap when not initialized Date: Mon, 31 Aug 2026 10:42:53 +0800 Message-ID: <20260831024253.3230786-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260828074056.2250222-1-liujie5@linkdatatechnology.com> References: <20260828074056.2250222-1-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowAD3AUAt6pRqKdWjBg--.34331S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr18uw45WF13Cw15uFW3Wrg_yoW8uFyUpF WrZ34UJF1SqFsa9rZIq3yfZr17KFs5t3yjkanIqw13Ca4kAr1293ykta4kKr1jkr4xZrnY yrsxta1fZry8AFDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkC14x267AKxVWUJVW8JwAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2ocxC64kIII0Yj41l84x0c7CEw4AK67xGY2AK02 1l84ACjcxK6xIIjxv20xvE14v26F1j6w1UM28EF7xvwVC0I7IYx2IY6xkF7I0E14v26r4U JVWxJr1l84ACjcxK6I8E87Iv67AKxVW8JVWxJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr 1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv 7VC0I7IYx2IY67AKxVWUtVWrXwAv7VC2z280aVAFwI0_Gr0_Cr1lOx8S6xCaFVCjc4AY6r 1j6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwAKzVCY07xG64k0 F24l42xK82IYc2Ij64vIr41l4I8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxV WUJVWUGwC20s026x8GjcxK67AKxVWUGVWUWwC2zVAF1VAY17CE14v26r126r1DMIIYrxkI 7VAKI48JMIIF0xvE2Ix0cI8IcVAFwI0_Ar0_tr1lIxAIcVC0I7IYx2IY6xkF7I0E14v26r 4UJVWxJr1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4U MIIF0xvEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJbIYCTnIWIevJa73UjIFyTuYvjfU8KsjUU UUU X-Originating-IP: [118.112.177.181] X-CM-SenderInfo: xolxyxrhv6zxpqngt3pdwhux5qro0w31of0z/ X-BeenThere: dev@dpdk.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: DPDK patches and discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dev-bounces@dpdk.org From: Jie Liu sxe2_dev_pci_map_uinit() calls sxe2_dev_pci_seg_unmap() and walks bar_info unconditionally. Only perform the unmap and free when bar_info has been allocated, so an uninitialized map context is handled cleanly. Fixes: 66a10eb60ebe ("net/sxe2: add PCI BAR mapping") Cc: stable@dpdk.org Cc: stephen@networkplumber.org Signed-off-by: Jie Liu --- drivers/net/sxe2/sxe2_ethdev.c | 14 ++++++-------- 1 file changed, 6 insertions(+), 8 deletions(-) diff --git a/drivers/net/sxe2/sxe2_ethdev.c b/drivers/net/sxe2/sxe2_ethdev.c index 9ef93b8076..fdff4ae10f 100644 --- a/drivers/net/sxe2/sxe2_ethdev.c +++ b/drivers/net/sxe2/sxe2_ethdev.c @@ -1773,14 +1773,13 @@ void sxe2_dev_pci_map_uinit(struct rte_eth_dev *dev) uint8_t i = 0; PMD_INIT_FUNC_TRACE(); + if (map_ctxt->bar_info != NULL) { + (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_DOORBELL_RX_TAIL); + (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_DOORBELL_TX); + (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_IRQ_DYN); + (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_IRQ_ITR); + (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_IRQ_MSIX); - (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_DOORBELL_RX_TAIL); - (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_DOORBELL_TX); - (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_IRQ_DYN); - (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_IRQ_ITR); - (void)sxe2_dev_pci_seg_unmap(adapter, SXE2_PCI_MAP_RES_IRQ_MSIX); - - if (map_ctxt != NULL && map_ctxt->bar_info != NULL) { for (i = 0; i < map_ctxt->bar_cnt; i++) { bar_info = &map_ctxt->bar_info[i]; if (bar_info != NULL && bar_info->seg_info != NULL) { @@ -1791,7 +1790,6 @@ void sxe2_dev_pci_map_uinit(struct rte_eth_dev *dev) rte_free(map_ctxt->bar_info); map_ctxt->bar_info = NULL; } - adapter->dev_info.dev_data = NULL; } -- 2.52.0