[dpdk-dev] kni: ignore double calls to rte_kni_init()

Message ID 1432804334-1981-1-git-send-email-marc.sune@bisdn.de (mailing list archive)
State Rejected, archived
Headers

Commit Message

Marc Sune May 28, 2015, 9:12 a.m. UTC
  Prevent double initialization of the KNI subsytem.

Signed-off-by: Marc Sune <marc.sune@bisdn.de>
---
 lib/librte_kni/rte_kni.c | 4 ++++
 1 file changed, 4 insertions(+)
  

Patch

diff --git a/lib/librte_kni/rte_kni.c b/lib/librte_kni/rte_kni.c
index c5a0089..df0449f 100644
--- a/lib/librte_kni/rte_kni.c
+++ b/lib/librte_kni/rte_kni.c
@@ -201,6 +201,10 @@  rte_kni_init(unsigned int max_kni_ifaces)
 	char obj_name[OBJNAMSIZ];
 	char mz_name[RTE_MEMZONE_NAMESIZE];
 
+	/* Immediately return if KNI is already initialized */
+	if (kni_memzone_pool.initialized)
+		return;
+
 	if (max_kni_ifaces == 0) {
 		RTE_LOG(ERR, KNI, "Invalid number of max_kni_ifaces %d\n",
 							max_kni_ifaces);