From patchwork Wed Nov 9 15:57:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miroslav Rezanina X-Patchwork-Id: 13037657 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 4DE95C433FE for ; Wed, 9 Nov 2022 15:58:17 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1osnST-0001rg-0T; Wed, 09 Nov 2022 10:57:45 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnSQ-0001pE-6p for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:43 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnS9-0005ha-Ez for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668009440; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yj5ZLy7UgEu+A/BDjFAC6gOaDRncxqI9pvQtJekPyVY=; b=MO2xjKv5JPAEE3ESDanLMocbSOSJs01anlbMTsAImxKCozdFN0UreOs4MoHJI+/VMrPOiO VSnYIf58yKaOej/n/uvpz7eel0t/WlcGcmTzRG579+yiBYe5lakILCYy0fQRFbC66KRQb7 aXJHAGBBmsOGrDJZN1QZLZ57CMPSJls= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-654-23CFuIQLMnmnNlMeGIxl7Q-1; Wed, 09 Nov 2022 10:57:17 -0500 X-MC-Unique: 23CFuIQLMnmnNlMeGIxl7Q-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 232A93C32985 for ; Wed, 9 Nov 2022 15:57:17 +0000 (UTC) Received: from wi2021.rezanina.moe.rezanina.moe (ovpn-193-213.brq.redhat.com [10.40.193.213]) by smtp.corp.redhat.com (Postfix) with ESMTP id 64AB940C2087; Wed, 9 Nov 2022 15:57:16 +0000 (UTC) From: mrezanin@redhat.com To: qemu-devel@nongnu.org Cc: Miroslav Rezanina Subject: [PATCH 1/4] rtl8139: Remove unused variable Date: Wed, 9 Nov 2022 10:57:11 -0500 Message-Id: <15a32dd06c492216cbf27cd3ddcbe1e9afb8d8f5.1668009030.git.mrezanin@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.133.124; envelope-from=mrezanin@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -16 X-Spam_score: -1.7 X-Spam_bar: - X-Spam_report: (-1.7 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Miroslav Rezanina Variable send_count used in rtl8139_cplus_transmit_one function is only incremented but never read. This causes 'Unused but set variable' warning on Clang 15.0.1 compiler. Removing the variable to prevent the warning. Signed-off-by: Miroslav Rezanina Reviewed-by: Thomas Huth --- hw/net/rtl8139.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c index 6b65823b4b..e6643e3c9d 100644 --- a/hw/net/rtl8139.c +++ b/hw/net/rtl8139.c @@ -2156,7 +2156,6 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s) ip_data_len, saved_size - ETH_HLEN, large_send_mss); int tcp_send_offset = 0; - int send_count = 0; /* maximum IP header length is 60 bytes */ uint8_t saved_ip_header[60]; @@ -2261,7 +2260,6 @@ static int rtl8139_cplus_transmit_one(RTL8139State *s) /* add transferred count to TCP sequence number */ stl_be_p(&p_tcp_hdr->th_seq, chunk_size + ldl_be_p(&p_tcp_hdr->th_seq)); - ++send_count; } /* Stop sending this frame */ From patchwork Wed Nov 9 15:57:12 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miroslav Rezanina X-Patchwork-Id: 13037659 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 1ABBEC433FE for ; Wed, 9 Nov 2022 15:58:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1osnSI-0001fP-K0; Wed, 09 Nov 2022 10:57:34 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnS9-0001cr-6h for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:27 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnS4-0005cL-F7 for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:22 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668009439; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=LyiN0TBFB/Dby1NbZclwz2V/BozZkXfFitgGbnIb02I=; b=YTtI2UAOO8KZqfCM/PBVVlajoEp+bFIGuyBbQwfHbZwjSTo86uGSJJzU8LLX+QEiNpJhOV P0sPXmihcbvRSh/ZSisI8KMpkUJjCioIVYAHoDZLLMGVYpdhhXg605cAU5UJVNTSjckvPs u/qypGmp7aaKG9bZhhn/EG0kg1nUG9U= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-185-oZ9nH_2NOUqMLzxHHVIa7g-1; Wed, 09 Nov 2022 10:57:18 -0500 X-MC-Unique: oZ9nH_2NOUqMLzxHHVIa7g-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 3284F101E15A for ; Wed, 9 Nov 2022 15:57:18 +0000 (UTC) Received: from wi2021.rezanina.moe.rezanina.moe (ovpn-193-213.brq.redhat.com [10.40.193.213]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6A69A40C2087; Wed, 9 Nov 2022 15:57:17 +0000 (UTC) From: mrezanin@redhat.com To: qemu-devel@nongnu.org Cc: Miroslav Rezanina Subject: [PATCH 2/4] tulip: Remove unused variable Date: Wed, 9 Nov 2022 10:57:12 -0500 Message-Id: <02e1560d115c208df32236df8916fed98429fda1.1668009030.git.mrezanin@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=mrezanin@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Miroslav Rezanina Variable n used in tulip_idblock_crc function is only incremented but never read. This causes 'Unused but set variable' warning on Clang 15.0.1 compiler. Removing the variable to prevent the warning. Signed-off-by: Miroslav Rezanina Reviewed-by: Thomas Huth --- hw/net/tulip.c | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) diff --git a/hw/net/tulip.c b/hw/net/tulip.c index b9e42c322a..c2b3b1bdfa 100644 --- a/hw/net/tulip.c +++ b/hw/net/tulip.c @@ -870,11 +870,10 @@ static const MemoryRegionOps tulip_ops = { static void tulip_idblock_crc(TULIPState *s, uint16_t *srom) { - int word, n; + int word; int bit; unsigned char bitval, crc; const int len = 9; - n = 0; crc = -1; for (word = 0; word < len; word++) { @@ -887,7 +886,6 @@ static void tulip_idblock_crc(TULIPState *s, uint16_t *srom) srom[len - 1] = (srom[len - 1] & 0xff00) | (unsigned short)crc; break; } - n++; bitval = ((srom[word] >> bit) & 1) ^ ((crc >> 7) & 1); crc = crc << 1; if (bitval == 1) { From patchwork Wed Nov 9 15:57:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miroslav Rezanina X-Patchwork-Id: 13037658 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 57BC8C4332F for ; Wed, 9 Nov 2022 15:58:32 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1osnSR-0001oo-0Q; Wed, 09 Nov 2022 10:57:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnSB-0001dB-UU for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:28 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnS8-0005i7-Fm for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:27 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668009440; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=OBA3OTIbSIue2sNhbGgq/ZfVBLgLT7sNawdYdjMymsI=; b=ZebqwtOg5e6l5S3Tf6k/4+r7+ZwRcWnRJlC0/XoCfCv8oriQs9CfcFYIYhMGqIqbG+goTh X8SoqyZ0Sh1Q5MSidxJOJi+9l/4TzPwOUc5eVGoLfRmMMGl/6lSPVB2fMXeVzZ/3xyF/bz RJwJv1qVzOpxcM10fS3yd6zI1W30daM= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-341-cYwd1En7NJSHBLwFcZeBfQ-1; Wed, 09 Nov 2022 10:57:19 -0500 X-MC-Unique: cYwd1En7NJSHBLwFcZeBfQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 19448833AEC for ; Wed, 9 Nov 2022 15:57:19 +0000 (UTC) Received: from wi2021.rezanina.moe.rezanina.moe (ovpn-193-213.brq.redhat.com [10.40.193.213]) by smtp.corp.redhat.com (Postfix) with ESMTP id 74A2140C2086; Wed, 9 Nov 2022 15:57:18 +0000 (UTC) From: mrezanin@redhat.com To: qemu-devel@nongnu.org Cc: Miroslav Rezanina Subject: [PATCH 3/4] qemu-img: remove unused variable Date: Wed, 9 Nov 2022 10:57:13 -0500 Message-Id: In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=mrezanin@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Miroslav Rezanina Variable block_count used in img_dd function is only incremented but never read. This causes 'Unused but set variable' warning on Clang 15.0.1 compiler. Removing the variable to prevent the warning. Signed-off-by: Miroslav Rezanina Reviewed-by: Thomas Huth --- qemu-img.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/qemu-img.c b/qemu-img.c index a3b64c88af..a9b3a8103c 100644 --- a/qemu-img.c +++ b/qemu-img.c @@ -4922,7 +4922,7 @@ static int img_dd(int argc, char **argv) const char *out_fmt = "raw"; const char *fmt = NULL; int64_t size = 0; - int64_t block_count = 0, out_pos, in_pos; + int64_t out_pos, in_pos; bool force_share = false; struct DdInfo dd = { .flags = 0, @@ -5122,7 +5122,7 @@ static int img_dd(int argc, char **argv) in.buf = g_new(uint8_t, in.bsz); - for (out_pos = 0; in_pos < size; block_count++) { + for (out_pos = 0; in_pos < size; ) { int bytes = (in_pos + in.bsz > size) ? size - in_pos : in.bsz; ret = blk_pread(blk1, in_pos, bytes, in.buf, 0); From patchwork Wed Nov 9 15:57:14 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miroslav Rezanina X-Patchwork-Id: 13037656 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 0B06FC433FE for ; Wed, 9 Nov 2022 15:58:12 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1osnSR-0001qM-Sg; Wed, 09 Nov 2022 10:57:43 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnSA-0001cv-Uf for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:28 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1osnS8-0005ob-EC for qemu-devel@nongnu.org; Wed, 09 Nov 2022 10:57:26 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1668009442; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kdqvurnWAXVDsjl6mVesUOVqmPHheeOSHJAfsJCbOyU=; b=fmfsFSSVjpkgTXepv1rLE/dKIxyD0SJxq4BPPio+rFse4lGAcL/p5fOkZA5kdy7ngCB17s rn83ejcq7JuEYv9nX3QLImasJHji34xf9p7VQBIOKuLBv2IB0khd/JrhjqzHQIADgaQyxI Zo34vfrQpU8X5p5M6F0qzCzMkI0zt6o= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-553-qt9jf7c4PImCsh-VGGsTlw-1; Wed, 09 Nov 2022 10:57:20 -0500 X-MC-Unique: qt9jf7c4PImCsh-VGGsTlw-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 1B640101E157 for ; Wed, 9 Nov 2022 15:57:20 +0000 (UTC) Received: from wi2021.rezanina.moe.rezanina.moe (ovpn-193-213.brq.redhat.com [10.40.193.213]) by smtp.corp.redhat.com (Postfix) with ESMTP id 6635440C83BA; Wed, 9 Nov 2022 15:57:19 +0000 (UTC) From: mrezanin@redhat.com To: qemu-devel@nongnu.org Cc: Miroslav Rezanina Subject: [PATCH 4/4] host-libusb: Remove unused variable Date: Wed, 9 Nov 2022 10:57:14 -0500 Message-Id: <00df0db69ff9167d38bac81f6d03281955bd861a.1668009030.git.mrezanin@redhat.com> In-Reply-To: References: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Received-SPF: pass client-ip=170.10.129.124; envelope-from=mrezanin@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Miroslav Rezanina Variable unconnected used in usb_host_auto_check function is only incremented but never read as line where it is read was disabled since introducing the code. This causes 'Unused but set variable' warning on Clang 15.0.1 compiler. Removing the variable and disabled code to prevent the warning. Signed-off-by: Miroslav Rezanina Reviewed-by: Thomas Huth --- hw/usb/host-libusb.c | 15 --------------- 1 file changed, 15 deletions(-) diff --git a/hw/usb/host-libusb.c b/hw/usb/host-libusb.c index 28f8af8941..176868d345 100644 --- a/hw/usb/host-libusb.c +++ b/hw/usb/host-libusb.c @@ -1837,7 +1837,6 @@ static void usb_host_auto_check(void *unused) struct USBAutoFilter *f; libusb_device **devs = NULL; struct libusb_device_descriptor ddesc; - int unconnected = 0; int i, n; if (usb_host_init() != 0) { @@ -1897,9 +1896,6 @@ static void usb_host_auto_check(void *unused) libusb_free_device_list(devs, 1); QTAILQ_FOREACH(s, &hostdevs, next) { - if (s->dh == NULL) { - unconnected++; - } if (s->seen == 0) { if (s->dh) { usb_host_close(s); @@ -1908,17 +1904,6 @@ static void usb_host_auto_check(void *unused) } s->seen = 0; } - -#if 0 - if (unconnected == 0) { - /* nothing to watch */ - if (usb_auto_timer) { - timer_del(usb_auto_timer); - trace_usb_host_auto_scan_disabled(); - } - return; - } -#endif } if (!usb_vmstate) {