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Wed, 15 Jul 2020 09:41:18 +0000 (GMT) Received: from d06av22.portsmouth.uk.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id E6F044C040; Wed, 15 Jul 2020 09:41:17 +0000 (GMT) Received: from linux01.pok.stglabs.ibm.com (unknown [9.114.17.81]) by d06av22.portsmouth.uk.ibm.com (Postfix) with ESMTP; Wed, 15 Jul 2020 09:41:17 +0000 (GMT) From: Janosch Frank To: qemu-devel@nongnu.org Subject: [PATCH 4/7] pc-bios: s390x: Rework data initialization Date: Wed, 15 Jul 2020 05:40:42 -0400 Message-Id: <20200715094045.381984-5-frankja@linux.ibm.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200715094045.381984-1-frankja@linux.ibm.com> References: <20200715094045.381984-1-frankja@linux.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=2020-07-15_07:2020-07-15, 2020-07-15 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 adultscore=0 malwarescore=0 spamscore=0 priorityscore=1501 clxscore=1015 mlxlogscore=946 suspectscore=1 phishscore=0 bulkscore=0 impostorscore=0 mlxscore=0 lowpriorityscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2006250000 definitions=main-2007150077 Received-SPF: pass client-ip=148.163.158.5; envelope-from=frankja@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/07/15 05:27:14 X-ACL-Warn: Detected OS = Linux 3.1-3.10 X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, 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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: borntraeger@de.ibm.com, thuth@redhat.com, cohuck@redhat.com, david@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" Sometimes a memset is nicer to read than multiple struct->data = 0; Signed-off-by: Janosch Frank Reviewed-by: Pierre Morel --- pc-bios/s390-ccw/dasd-ipl.c | 7 ++----- 1 file changed, 2 insertions(+), 5 deletions(-) diff --git a/pc-bios/s390-ccw/dasd-ipl.c b/pc-bios/s390-ccw/dasd-ipl.c index e8f2846740..0543334ed4 100644 --- a/pc-bios/s390-ccw/dasd-ipl.c +++ b/pc-bios/s390-ccw/dasd-ipl.c @@ -167,16 +167,13 @@ static void ipl1_fixup(void) ccwSeek->cda = ptr2u32(seekData); ccwSeek->chain = 1; ccwSeek->count = sizeof(*seekData); - seekData->reserved = 0x00; - seekData->cyl = 0x00; - seekData->head = 0x00; + memset(seekData, 0, sizeof(*seekData)); ccwSearchID->cmd_code = CCW_CMD_DASD_SEARCH_ID_EQ; ccwSearchID->cda = ptr2u32(searchData); ccwSearchID->chain = 1; ccwSearchID->count = sizeof(*searchData); - searchData->cyl = 0; - searchData->head = 0; + memset(searchData, 0, sizeof(*searchData)); searchData->record = 2; /* Go back to Search CCW if correct record not yet found */