[PATCH v2 1/2] virnetdev: fix some issues found by coverity and mingw builds

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Commit e562a61a introduced new function to get/set interface state but
there was misuse of ATTRIBUTE_NONNULL on non-pointer attributes and also
we need to wrap that functions by #ifdef to not break mingw build.

Signed-off-by: Pavel Hrdina <phrdina@xxxxxxxxxx>
---
 src/util/virnetdev.c | 36 ++++++++++++++++++++++++------------
 src/util/virnetdev.h |  6 +++---
 2 files changed, 27 insertions(+), 15 deletions(-)

diff --git a/src/util/virnetdev.c b/src/util/virnetdev.c
index 4be6265..315c431 100644
--- a/src/util/virnetdev.c
+++ b/src/util/virnetdev.c
@@ -66,6 +66,18 @@ VIR_LOG_INIT("util.netdev");
 #define VIR_MCAST_TOKEN_DELIMS " \n"
 #define VIR_MCAST_ADDR_LEN (VIR_MAC_HEXLEN + 1)
 
+#if defined(SIOCSIFFLAGS) && defined(HAVE_STRUCT_IFREQ)
+# define VIR_IFF_UP IFF_UP
+# define VIR_IFF_PROMISC IFF_PROMISC
+# define VIR_IFF_MULTICAST IFF_MULTICAST
+# define VIR_IFF_ALLMULTI IFF_ALLMULTI
+#else
+# define VIR_IFF_UP 0
+# define VIR_IFF_PROMISC 0
+# define VIR_IFF_MULTICAST 0
+# define VIR_IFF_ALLMULTI 0
+#endif
+
 typedef enum {
     VIR_MCAST_TYPE_INDEX_TOKEN,
     VIR_MCAST_TYPE_NAME_TOKEN,
@@ -677,7 +689,7 @@ int virNetDevSetOnline(const char *ifname,
                        bool online)
 {
 
-    return virNetDevSetIFFlag(ifname, IFF_UP, online);
+    return virNetDevSetIFFlag(ifname, VIR_IFF_UP, online);
 }
 
 /**
@@ -694,7 +706,7 @@ int virNetDevSetOnline(const char *ifname,
 int virNetDevSetPromiscuous(const char *ifname,
                             bool promiscuous)
 {
-    return virNetDevSetIFFlag(ifname, IFF_PROMISC, promiscuous);
+    return virNetDevSetIFFlag(ifname, VIR_IFF_PROMISC, promiscuous);
 }
 
 /**
@@ -712,7 +724,7 @@ int virNetDevSetPromiscuous(const char *ifname,
 int virNetDevSetRcvMulti(const char *ifname,
                          bool receive)
 {
-    return virNetDevSetIFFlag(ifname, IFF_MULTICAST, receive);
+    return virNetDevSetIFFlag(ifname, VIR_IFF_MULTICAST, receive);
 }
 
 /**
@@ -728,7 +740,7 @@ int virNetDevSetRcvMulti(const char *ifname,
 int virNetDevSetRcvAllMulti(const char *ifname,
                             bool receive)
 {
-    return virNetDevSetIFFlag(ifname, IFF_ALLMULTI, receive);
+    return virNetDevSetIFFlag(ifname, VIR_IFF_ALLMULTI, receive);
 }
 
 
@@ -783,7 +795,7 @@ virNetDevGetIFFlag(const char *ifname,
 int virNetDevGetOnline(const char *ifname,
                        bool *online)
 {
-    return virNetDevGetIFFlag(ifname, IFF_UP, online);
+    return virNetDevGetIFFlag(ifname, VIR_IFF_UP, online);
 }
 
 /**
@@ -797,9 +809,9 @@ int virNetDevGetOnline(const char *ifname,
  * Returns 0 in case of success or an errno code in case of failure.
  */
 int virNetDevGetPromiscuous(const char *ifname,
-                           bool *promiscuous)
+                            bool *promiscuous)
 {
-    return virNetDevGetIFFlag(ifname, IFF_PROMISC, promiscuous);
+    return virNetDevGetIFFlag(ifname, VIR_IFF_PROMISC, promiscuous);
 }
 
 /**
@@ -813,9 +825,9 @@ int virNetDevGetPromiscuous(const char *ifname,
  * Returns 0 in case of success or -1 on error.
  */
 int virNetDevGetRcvMulti(const char *ifname,
-                        bool *receive)
+                         bool *receive)
 {
-    return virNetDevGetIFFlag(ifname, IFF_MULTICAST, receive);
+    return virNetDevGetIFFlag(ifname, VIR_IFF_MULTICAST, receive);
 }
 
 /**
@@ -829,9 +841,9 @@ int virNetDevGetRcvMulti(const char *ifname,
  * Returns 0 in case of success or -1 on error.
  */
 int virNetDevGetRcvAllMulti(const char *ifname,
-                           bool *receive)
+                            bool *receive)
 {
-    return virNetDevGetIFFlag(ifname, IFF_ALLMULTI, receive);
+    return virNetDevGetIFFlag(ifname, VIR_IFF_ALLMULTI, receive);
 }
 
 
@@ -2668,7 +2680,7 @@ int virNetDevGetRxFilter(const char *ifname,
                          virNetDevRxFilterPtr *filter)
 {
     int ret = -1;
-    bool receive;
+    bool receive = false;
     virNetDevRxFilterPtr fil = virNetDevRxFilterNew();
 
     if (!fil)
diff --git a/src/util/virnetdev.h b/src/util/virnetdev.h
index 6e8372f..de8b480 100644
--- a/src/util/virnetdev.h
+++ b/src/util/virnetdev.h
@@ -201,17 +201,17 @@ int virNetDevDelMulti(const char *ifname,
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
 
 int virNetDevSetPromiscuous(const char *ifname, bool promiscuous)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
 int virNetDevGetPromiscuous(const char *ifname, bool *promiscuous)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
 
 int virNetDevSetRcvMulti(const char *ifname, bool receive)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
 int virNetDevGetRcvMulti(const char *ifname, bool *receive)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
 
 int virNetDevSetRcvAllMulti(const char *ifname, bool receive)
-    ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
+    ATTRIBUTE_NONNULL(1) ATTRIBUTE_RETURN_CHECK;
 int virNetDevGetRcvAllMulti(const char *ifname, bool *receive)
     ATTRIBUTE_NONNULL(1) ATTRIBUTE_NONNULL(2) ATTRIBUTE_RETURN_CHECK;
 #endif /* __VIR_NETDEV_H__ */
-- 
2.0.5

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