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 DE0FCC61DC2 for ; Wed, 26 Aug 2026 08:55:45 +0000 (UTC) Received: from mails.dpdk.org (localhost [127.0.0.1]) by mails.dpdk.org (Postfix) with ESMTP id 911344068A; Wed, 26 Aug 2026 10:55:42 +0200 (CEST) Received: from cstnet.cn (smtp81.cstnet.cn [159.226.251.81]) by mails.dpdk.org (Postfix) with ESMTP id 61CF34068A for ; Wed, 26 Aug 2026 10:55:40 +0200 (CEST) Received: from localhost.localdomain (unknown [118.112.177.181]) by APP-03 (Coremail) with SMTP id rQCowADn7DoCqo5qsd9MBg--.33028S2; Wed, 26 Aug 2026 16:55:30 +0800 (CST) From: liujie5@linkdatatechnology.com To: stephen@networkplumber.org Cc: dev@dpdk.org Subject: [PATCH v3 19/51] net/sxe2: guard PCI BAR unmap when not initialized Date: Wed, 26 Aug 2026 16:55:29 +0800 Message-ID: <20260826085529.991054-1-liujie5@linkdatatechnology.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260818021518.2922515-14-liujie5@linkdatatechnology.com> References: <20260818021518.2922515-14-liujie5@linkdatatechnology.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CM-TRANSID: rQCowADn7DoCqo5qsd9MBg--.33028S2 X-Coremail-Antispam: 1UD129KBjvJXoW7Kr18uw45WF13Zw1UKr1rZwb_yoW8uF4DpF WrZFyUJF1SqFsa9rZ0q3yfZr17KFs5J3yjkanIqw13Ca4kAry293ykta4kKr1jkr4xZrnY yrsxta1fZry8AFDanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUkab7Iv0xC_Cr1lb4IE77IF4wAFF20E14v26r1j6r4UM7CY07I2 0VC2zVCF04k26cxKx2IYs7xG6rWj6s0DM7CIcVAFz4kK6r1j6r18M28lY4IEw2IIxxk0rw A2F7IY1VAKz4vEj48ve4kI8wA2z4x0Y4vE2Ix0cI8IcVAFwI0_Xr0_Ar1l84ACjcxK6xII jxv20xvEc7CjxVAFwI0_Cr0_Gr1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4 vEx4A2jsIEc7CjxVAFwI0_Gr1j6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40E FcxC0VAKzVAqx4xG6I80ewAv7VC0I7IYx2IY67AKxVWUtVWrXwAv7VC2z280aVAFwI0_Gr 0_Cr1lOx8S6xCaFVCjc4AY6r1j6r4UM4x0Y48IcxkI7VAKI48JM4kE6xkIj40Ew7xC0wCF 04k20xvY0x0EwIxGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r 18MI8I3I0E7480Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jrv_JF1lIxkGc2Ij64vI r41lIxAIcVC0I7IYx2IY67AKxVW8JVW5JwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr 1lIxAIcVCF04k26cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r4j6F4UMIIF0xvE x4A2jsIEc7CjxVAFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x07jzBT5UUUUU= 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: 66a10eb60e ("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 f76d4db6f7..7e3eb6432c 100644 --- a/drivers/net/sxe2/sxe2_ethdev.c +++ b/drivers/net/sxe2/sxe2_ethdev.c @@ -1777,14 +1777,13 @@ 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) { @@ -1795,7 +1794,6 @@ 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