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build: avoid uninitialized use warning

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Otherwise, with new enough gcc compiling at -O2, the build fails with:
../../src/conf/domain_conf.c: In function ‘virDomainDeviceDefPostParse’:
../../src/conf/domain_conf.c:2821:29: error: ‘cnt’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
             for (i = 0; i < *cnt; i++) {
                             ^
../../src/conf/domain_conf.c:2795:20: note: ‘cnt’ was declared here
         size_t i, *cnt;
                    ^
../../src/conf/domain_conf.c:2794:30: error: ‘arrPtr’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
         virDomainChrDefPtr **arrPtr;
                              ^

* src/conf/domain_conf.c (virDomainChrGetDomainPtrs): Always
assign into output parameters.

Signed-off-by: Eric Blake <eblake@redhat.com>
This commit is contained in:
Eric Blake 2013-07-26 16:37:55 -06:00
parent 35fe8d97c0
commit c86c3c324f
1 changed files with 2 additions and 0 deletions
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2
src/conf/domain_conf.c
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@ -10221,6 +10221,8 @@ virDomainChrGetDomainPtrs(virDomainDefPtr vmdef,
break;
case VIR_DOMAIN_CHR_DEVICE_TYPE_LAST:
*arrPtr = NULL;
*cntPtr = NULL;
break;
}
}