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virsh: plug memory leak on cmdDomIfGetLink() sucessful path

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Detected by valgrind. Leak introduced in commit dc675f3:

* tools/virsh.c: fix memory leak on cmdDomIfGetLink.

* how to reproduce?
  % valgrind -v --leak-check=full virsh domif-getlink <domain name> 0

* actual valgrind result:

==13102== 18 bytes in 1 blocks are definitely lost in loss record 9 of 47
==13102==    at 0x4A05FDE: malloc (vg_replace_malloc.c:236)
==13102==    by 0x322A6A67DD: xmlStrndup (in /usr/lib64/libxml2.so.2.7.6)
==13102==    by 0x414892: cmdDomIfGetLink (virsh.c:1538)
==13102==    by 0x4136A2: vshCommandRun (virsh.c:16363)
==13102==    by 0x4253FB: main (virsh.c:17865)
==13102==
==13102== LEAK SUMMARY:
==13102==    definitely lost: 18 bytes in 1 blocks
==13102==    indirectly lost: 0 bytes in 0 blocks
==13102==      possibly lost: 0 bytes in 0 blocks
==13102==    still reachable: 127,888 bytes in 1,361 blocks
==13102==         suppressed: 0 bytes in 0 blocks

Signed-off-by: Alex Jia <ajia@redhat.com>
This commit is contained in:
Alex Jia 2011-12-08 14:09:57 +08:00 committed by Eric Blake
parent ecf75f83dc
commit f582199e60
1 changed files with 2 additions and 1 deletions
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3
tools/virsh.c
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@ -1541,6 +1541,7 @@ cmdDomIfGetLink (vshControl *ctl, const vshCmd *cmd)
VIR_FREE(mac);
goto hit;
}
VIR_FREE(mac);
}
cur = cur->next;
}
@ -6400,7 +6401,7 @@ cmdBlkdeviotune(vshControl *ctl, const vshCmd *cmd)
}
}
ret = true;
ret = true;
goto cleanup;
} else {
/* Set the block I/O throttle, match by opt since parameters can be 0 */