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Fix potential false-positive OOM error reporting.

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If no matching device was found (cap == NULL) then no strdup() call
was made and *wwnn and *wwpn are untouched. Checking them for NULL
in this situation may result in reporting an false-positive OOM error
because *wwnn and *wwpn may be initialized to NULL by the caller.

Only check *wwnn and *wwpn for NULL if a matching device was found
(cap != NULL) and thus strdup() was called.

* src/conf/node_device_conf.c: only report an OOM error if there
  really is one
This commit is contained in:
Matthias Bolte 2009-10-21 22:27:09 +02:00
parent 2f4682a9f8
commit 4ed2c3773e
1 changed files with 1 additions and 3 deletions
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4
src/conf/node_device_conf.c
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@ -1243,9 +1243,7 @@ virNodeDeviceGetWWNs(virConnectPtr conn,
virNodeDeviceReportError(conn, VIR_ERR_NO_SUPPORT,
"%s", _("Device is not a fibre channel HBA"));
ret = -1;
}
if (*wwnn == NULL || *wwpn == NULL) {
} else if (*wwnn == NULL || *wwpn == NULL) {
/* Free the other one, if allocated... */
VIR_FREE(wwnn);
VIR_FREE(wwpn);