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Nunes do Rosario" To: linuxppc-dev@lists.ozlabs.org Subject: [PATCH] selftests/powerpc: Fix compiling error on tlbie_test due to newer gcc Date: Thu, 3 Oct 2019 18:10:10 -0300 Message-Id: <20191003211010.9711-1-desnesn@linux.ibm.com> X-Mailer: git-send-email 2.21.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-10-03_08:, , signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 malwarescore=0 suspectscore=1 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1908290000 definitions=main-1910030170 X-BeenThere: linuxppc-dev@lists.ozlabs.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: desnesn@linux.ibm.com, shuah@kernel.org, aneesh.kumar@linux.ibm.com Errors-To: linuxppc-dev-bounces+linuxppc-dev=archiver.kernel.org@lists.ozlabs.org Sender: "Linuxppc-dev" Newer versions of GCC demand that the size of the string to be copied must be explicitly smaller than the size of the destination. Thus, the NULL char has to be taken into account on strncpy. This will avoid the following compiling error: tlbie_test.c: In function 'main': tlbie_test.c:639:4: error: 'strncpy' specified bound 100 equals destination size [-Werror=stringop-truncation] strncpy(logdir, optarg, LOGDIR_NAME_SIZE); ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ cc1: all warnings being treated as errors Signed-off-by: Desnes A. Nunes do Rosario --- tools/testing/selftests/powerpc/mm/tlbie_test.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/testing/selftests/powerpc/mm/tlbie_test.c b/tools/testing/selftests/powerpc/mm/tlbie_test.c index 9868a5ddd847..0d0aee462f8e 100644 --- a/tools/testing/selftests/powerpc/mm/tlbie_test.c +++ b/tools/testing/selftests/powerpc/mm/tlbie_test.c @@ -636,7 +636,7 @@ int main(int argc, char *argv[]) nrthreads = strtoul(optarg, NULL, 10); break; case 'l': - strncpy(logdir, optarg, LOGDIR_NAME_SIZE); + strncpy(logdir, optarg, LOGDIR_NAME_SIZE-1); break; case 't': run_time = strtoul(optarg, NULL, 10); -- 2.21.0