Some ancient gcc fails to see the variables are initialized in a separate function and a false positive is produced: cc1: warnings being treated as errors conf/domain_conf.c: In function 'virDomainChrGetDomainPtrs': conf/domain_conf.c:10342: error: 'arrVar' may be used uninitialized in this function [-Wuninitialized] conf/domain_conf.c:10343: error: 'cntVar' may be used uninitialized in this function [-Wuninitialized] conf/domain_conf.c: In function 'virDomainChrInsert': conf/domain_conf.c:10362: error: 'arrPtr' may be used uninitialized in this function [-Wuninitialized] conf/domain_conf.c:10363: error: 'cntPtr' may be used uninitialized in this function [-Wuninitialized] conf/domain_conf.c: In function 'virDomainChrRemove': conf/domain_conf.c:10374: error: 'arrPtr' may be used uninitialized in this function [-Wuninitialized] conf/domain_conf.c:10375: error: 'cntPtr' may be used uninitialized in this function [-Wuninitialized] Signed-off-by: Michal Privoznik <mprivozn(a)redhat.com&gt; --- Pushed under build breaker and trivial rules. src/conf/domain_conf.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c index 365de77..562d98b 100644 --- a/src/conf/domain_conf.c +++ b/src/conf/domain_conf.c @@ -10339,8 +10339,8 @@ virDomainChrGetDomainPtrs(const virDomainDef *vmdef, const virDomainChrDef ***arrPtr, size_t *cntPtr) { - virDomainChrDef ***arrVar; - size_t *cntVar; + virDomainChrDef ***arrVar = NULL; + size_t *cntVar = NULL; /* Cast away const; we add it back in the final assignment. */ virDomainChrGetDomainPtrsInternal((virDomainDefPtr) vmdef, type, @@ -10359,8 +10359,8 @@ int virDomainChrInsert(virDomainDefPtr vmdef, virDomainChrDefPtr chr) { - virDomainChrDefPtr **arrPtr; - size_t *cntPtr; + virDomainChrDefPtr **arrPtr = NULL; + size_t *cntPtr = NULL; virDomainChrGetDomainPtrsInternal(vmdef, chr->deviceType, &arrPtr, &cntPtr); @@ -10371,8 +10371,8 @@ virDomainChrDefPtr virDomainChrRemove(virDomainDefPtr vmdef, virDomainChrDefPtr chr) { - virDomainChrDefPtr ret, **arrPtr; - size_t i, *cntPtr; + virDomainChrDefPtr ret, **arrPtr = NULL; + size_t i, *cntPtr = NULL; virDomainChrGetDomainPtrsInternal(vmdef, chr->deviceType, &arrPtr, &cntPtr); -- 1.8.1.5