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virsh: plug memory leak on cmdBlkdeviotune() sucessful path

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Detected by valgrind. Leak introduced in commit e9bd9a0:

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

* how to reproduce?
  % valgrind -v --leak-check=full virsh blkdeviotune <domain name> <block device>

* actual valgrind result:

==12759== 576 bytes in 1 blocks are definitely lost in loss record 18 of 29
==12759==    at 0x4A04A28: calloc (vg_replace_malloc.c:467)
==12759==    by 0x42134E: _vshCalloc.clone.2 (virsh.c:422)
==12759==    by 0x4217CB: cmdBlkdeviotune (virsh.c:6364)
==12759==    by 0x4136A2: vshCommandRun (virsh.c:16363)
==12759==    by 0x4253FB: main (virsh.c:17865)
==12759==
==12759== LEAK SUMMARY:
==12759==    definitely lost: 576 bytes in 1 blocks
==12759==    indirectly lost: 0 bytes in 0 blocks
==12759==      possibly lost: 0 bytes in 0 blocks
==12759==    still reachable: 126,964 bytes in 1,342 blocks
==12759==         suppressed: 0 bytes in 0 blocks

Signed-off-by: Alex Jia <ajia@redhat.com>
This commit is contained in:
Alex Jia 2011-12-08 14:09:56 +08:00 committed by Eric Blake
parent f48ab7d888
commit ecf75f83dc
1 changed files with 2 additions and 2 deletions
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4
tools/virsh.c
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@ -6400,8 +6400,8 @@ cmdBlkdeviotune(vshControl *ctl, const vshCmd *cmd)
}
}
virDomainFree(dom);
return true;
ret = true;
goto cleanup;
} else {
/* Set the block I/O throttle, match by opt since parameters can be 0 */
params = vshCalloc(ctl, nparams, sizeof(*params));