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Wed, 30 Sep 2020 15:59:01 +0000 (GMT) Received: by tuxmaker.boeblingen.de.ibm.com (Postfix, from userid 25651) id 5448BE1FB0; Wed, 30 Sep 2020 17:59:01 +0200 (CEST) From: Christian Borntraeger To: qemu-devel@nongnu.org Subject: [PATCH 2/4] nbd: silence maybe-uninitialized warnings Date: Wed, 30 Sep 2020 17:58:57 +0200 Message-Id: <20200930155859.303148-3-borntraeger@de.ibm.com> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20200930155859.303148-1-borntraeger@de.ibm.com> References: <20200930155859.303148-1-borntraeger@de.ibm.com> MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.235, 18.0.687 definitions=2020-09-30_08:2020-09-30, 2020-09-30 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 impostorscore=0 mlxscore=0 spamscore=0 lowpriorityscore=0 adultscore=0 bulkscore=0 mlxlogscore=999 phishscore=0 clxscore=1015 suspectscore=1 priorityscore=1501 malwarescore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2009300121 Received-SPF: pass client-ip=148.163.156.1; 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David Alan Gilbert" , Max Reitz , Christian Borntraeger , Stefan Hajnoczi Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" gcc 10 from Fedora 32 gives me: Compiling C object libblock.fa.p/nbd_server.c.o ../nbd/server.c: In function ‘nbd_co_client_start’: ../nbd/server.c:625:14: error: ‘namelen’ may be used uninitialized in this function [-Werror=maybe-uninitialized] 625 | rc = nbd_negotiate_send_info(client, NBD_INFO_NAME, namelen, name, | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ 626 | errp); | ~~~~~ ../nbd/server.c:564:14: note: ‘namelen’ was declared here 564 | uint32_t namelen; | ^~~~~~~ cc1: all warnings being treated as errors As I cannot see how this can happen, let uns silence the warning. Signed-off-by: Christian Borntraeger Reviewed-by: Eric Blake --- nbd/server.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/nbd/server.c b/nbd/server.c index 982de67816a7..2ff04ee7533d 100644 --- a/nbd/server.c +++ b/nbd/server.c @@ -561,7 +561,7 @@ static int nbd_negotiate_handle_info(NBDClient *client, Error **errp) NBDExport *exp; uint16_t requests; uint16_t request; - uint32_t namelen; + uint32_t namelen = 0; bool sendname = false; bool blocksize = false; uint32_t sizes[3];