From: Marc Sune <marc.sune@bisdn.de>
To: dev@dpdk.org
Subject: [dpdk-dev] [PATCH v2] kni: ignore double calls to rte_kni_init()
Date: Thu, 18 Jun 2015 18:34:48 +0200 [thread overview]
Message-ID: <1434645288-5753-1-git-send-email-marc.sune@bisdn.de> (raw)
In-Reply-To: <F35DEAC7BCE34641BA9FAC6BCA4A12E70A881D02@SHSMSX104.ccr.corp.intel.com>
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(+)
diff --git a/lib/librte_kni/rte_kni.c b/lib/librte_kni/rte_kni.c
index c5a0089..08155db 100644
--- a/lib/librte_kni/rte_kni.c
+++ b/lib/librte_kni/rte_kni.c
@@ -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);
--
2.1.4
next prev parent reply other threads:[~2015-06-18 16:34 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-06-01 0:32 [dpdk-dev] [PATCH] " Marc Sune
2015-06-15 1:08 ` Zhang, Helin
2015-06-18 16:34 ` Marc Sune [this message]
2015-06-19 3:47 ` [dpdk-dev] [PATCH v2] " Zhang, Helin
2015-06-22 16:40 ` Thomas Monjalon
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1434645288-5753-1-git-send-email-marc.sune@bisdn.de \
--to=marc.sune@bisdn.de \
--cc=dev@dpdk.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).