macvtap: plug memory leak for 802.1Qbh

Detected by Coverity.  Leak present since commit ca3b22b.

* src/util/macvtap.c (doPortProfileOp8021Qbh): Release device name.

diff --git a/src/util/macvtap.c b/src/util/macvtap.c
index 9bf7fa6bcd0ac472e48c64a734b0bfcd5ca61ca4..a020c9058bb50495d1dfa26a7fc53f3dcab7ce12 100644 (file)
--- a/src/util/macvtap.c
+++ b/src/util/macvtap.c
@@ -993,7 +993,7 @@ doPortProfileOp8021Qbh(const char *ifname,
 
 # else /* IFLA_VF_PORT_MAX */
 
-    char *physfndev;
+    char *physfndev = NULL;
     unsigned char hostuuid[VIR_UUID_BUFLEN];
     int32_t vf;
     bool nltarget_kernel = true;
@@ -1059,6 +1059,7 @@ doPortProfileOp8021Qbh(const char *ifname,
     }
 
 err_exit:
+    VIR_FREE(physfndev);
 
 # endif /* IFLA_VF_PORT_MAX */