[dpdk-dev,v2] kni: ignore double calls to rte_kni_init()
Commit Message
Prevent double initialization of the KNI subsytem.
v2: added warning trace
Signed-off-by: Marc Sune <marc.sune@bisdn.de>
---
lib/librte_kni/rte_kni.c | 6 ++++++
1 file changed, 6 insertions(+)
Comments
> -----Original Message-----
> From: dev [mailto:dev-bounces@dpdk.org] On Behalf Of Marc Sune
> Sent: Friday, June 19, 2015 12:35 AM
> To: dev@dpdk.org
> Subject: [dpdk-dev] [PATCH v2] kni: ignore double calls to rte_kni_init()
>
> Prevent double initialization of the KNI subsytem.
>
> v2: added warning trace
>
> Signed-off-by: Marc Sune <marc.sune@bisdn.de>
Acked-by: Helin Zhang <helin.zhang@intel.com>
> > Prevent double initialization of the KNI subsytem.
> >
> > v2: added warning trace
> >
> > Signed-off-by: Marc Sune <marc.sune@bisdn.de>
> Acked-by: Helin Zhang <helin.zhang@intel.com>
Applied, thanks
@@ -201,6 +201,12 @@ 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) {
+ RTE_LOG(WARNING, KNI, "Double call to rte_kni_init()");
+ return;
+ }
+
if (max_kni_ifaces == 0) {
RTE_LOG(ERR, KNI, "Invalid number of max_kni_ifaces %d\n",
max_kni_ifaces);