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Wed, 5 Jul 2023 10:54:06 +0000 From: Li Jun To: mathias.nyman@intel.com, gregkh@linuxfoundation.org Cc: linux-usb@vger.kernel.org, aisheng.dong@nxp.com Subject: [PATCH] usb: host: xhci: fix coverity checker CONSTANT_EXPRESSION_RESULT warning Date: Wed, 5 Jul 2023 18:57:43 +0800 Message-Id: <20230705105743.553052-1-jun.li@nxp.com> X-Mailer: git-send-email 2.34.1 X-ClientProxiedBy: SI1PR02CA0011.apcprd02.prod.outlook.com (2603:1096:4:1f7::19) To PA4PR04MB9640.eurprd04.prod.outlook.com (2603:10a6:102:261::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PA4PR04MB9640:EE_|DU2PR04MB9211:EE_ X-MS-Office365-Filtering-Correlation-Id: c2584635-250e-4a8c-cf44-08db7d462772 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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This occurs as an argument to a function call. So convert the dma address to be u64 when extract its upper 32 bits. Signed-off-by: Li Jun --- drivers/usb/host/xhci-ring.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 646ff125def5..847a1eadd17a 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -747,7 +747,7 @@ static int xhci_move_dequeue_past_td(struct xhci_hcd *xhci, trb_sct = SCT_FOR_TRB(SCT_PRI_TR); ret = queue_command(xhci, cmd, lower_32_bits(addr) | trb_sct | new_cycle, - upper_32_bits(addr), + upper_32_bits((u64) addr), STREAM_ID_FOR_TRB(stream_id), SLOT_ID_FOR_TRB(slot_id) | EP_ID_FOR_TRB(ep_index) | TRB_TYPE(TRB_SET_DEQ), false); if (ret < 0) { @@ -4347,7 +4347,7 @@ int xhci_queue_address_device(struct xhci_hcd *xhci, struct xhci_command *cmd, dma_addr_t in_ctx_ptr, u32 slot_id, enum xhci_setup_dev setup) { return queue_command(xhci, cmd, lower_32_bits(in_ctx_ptr), - upper_32_bits(in_ctx_ptr), 0, + upper_32_bits((u64) in_ctx_ptr), 0, TRB_TYPE(TRB_ADDR_DEV) | SLOT_ID_FOR_TRB(slot_id) | (setup == SETUP_CONTEXT_ONLY ? TRB_BSR : 0), false); } @@ -4373,7 +4373,7 @@ int xhci_queue_configure_endpoint(struct xhci_hcd *xhci, u32 slot_id, bool command_must_succeed) { return queue_command(xhci, cmd, lower_32_bits(in_ctx_ptr), - upper_32_bits(in_ctx_ptr), 0, + upper_32_bits((u64) in_ctx_ptr), 0, TRB_TYPE(TRB_CONFIG_EP) | SLOT_ID_FOR_TRB(slot_id), command_must_succeed); } @@ -4383,7 +4383,7 @@ int xhci_queue_evaluate_context(struct xhci_hcd *xhci, struct xhci_command *cmd, dma_addr_t in_ctx_ptr, u32 slot_id, bool command_must_succeed) { return queue_command(xhci, cmd, lower_32_bits(in_ctx_ptr), - upper_32_bits(in_ctx_ptr), 0, + upper_32_bits((u64) in_ctx_ptr), 0, TRB_TYPE(TRB_EVAL_CONTEXT) | SLOT_ID_FOR_TRB(slot_id), command_must_succeed); }