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util: file: use VIR_AUTOPTR for aggregate types

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By making use of GNU C's cleanup attribute handled by the
VIR_AUTOPTR macro for declaring aggregate pointer variables,
majority of the calls to *Free functions can be dropped, which
in turn leads to getting rid of most of our cleanup sections.

Signed-off-by: Sukrit Bhatnagar <skrtbhtngr@gmail.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
This commit is contained in:
Sukrit Bhatnagar 2018-07-13 23:24:49 +05:30 committed by Erik Skultety
parent 69b937f035
commit fbd1f5b486
1 changed files with 6 additions and 10 deletions
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16
src/util/virfile.c
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@ -888,20 +888,19 @@ int virFileNBDDeviceAssociate(const char *file,
{
VIR_AUTOFREE(char *) nbddev = NULL;
VIR_AUTOFREE(char *) qemunbd = NULL;
virCommandPtr cmd = NULL;
int ret = -1;
VIR_AUTOPTR(virCommand) cmd = NULL;
const char *fmtstr = NULL;
if (!virFileNBDLoadDriver())
goto cleanup;
return -1;
if (!(nbddev = virFileNBDDeviceFindUnused()))
goto cleanup;
return -1;
if (!(qemunbd = virFindFileInPath("qemu-nbd"))) {
virReportSystemError(ENOENT, "%s",
_("Unable to find 'qemu-nbd' binary in $PATH"));
goto cleanup;
return -1;
}
if (fmt > 0)
@ -926,17 +925,14 @@ int virFileNBDDeviceAssociate(const char *file,
/* qemu-nbd will daemonize itself */
if (virCommandRun(cmd, NULL) < 0)
goto cleanup;
return -1;
VIR_DEBUG("Associated NBD device %s with file %s and format %s",
nbddev, file, fmtstr);
*dev = nbddev;
nbddev = NULL;
ret = 0;
cleanup:
virCommandFree(cmd);
return ret;
return 0;
}
#else /* __linux__ */