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qemuProcessBuildDestroyHugepagesPath: Don't warn on destroying non-existent path

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This function is called unconditionally from qemuProcessStop to
make sure we leave no dangling dirs behind. However, whenever the
directory we want to rmdir() is not there (e.g. because it hasn't
been created in the first place because domain doesn't use
hugepages at all), we produce a warning like this:

2017-06-20 15:58:23.615+0000: 32638: warning :
qemuProcessBuildDestroyHugepagesPath:3363 : Unable to remove
hugepage path: /dev/hugepages/libvirt/qemu/1-instance-00000001
(errno=2)

Fix this by not producing the warning on ENOENT.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
This commit is contained in:
Michal Privoznik 2017-06-20 17:55:21 +02:00
parent ff7bae6e4f
commit e8589963bc
1 changed files with 2 additions and 1 deletions
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3
src/qemu/qemu_process.c
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@ -3358,7 +3358,8 @@ qemuProcessBuildDestroyHugepagesPath(virQEMUDriverPtr driver,
goto cleanup;
}
} else {
if (rmdir(hugepagePath) < 0)
if (rmdir(hugepagePath) < 0 &&
errno != ENOENT)
VIR_WARN("Unable to remove hugepage path: %s (errno=%d)",
hugepagePath, errno);
}