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* [PATCH] examples/vhost: fix floating point exception when there is no VMDQ
@ 2022-04-11 16:34 Yuan Wang
  2022-05-16 12:57 ` Xia, Chenbo
  2022-05-18 13:36 ` [PATCH v2] examples/vhost: fix floating point exception when no VMDq Yuan Wang
  0 siblings, 2 replies; 6+ messages in thread
From: Yuan Wang @ 2022-04-11 16:34 UTC (permalink / raw)
  To: maxime.coquelin, chenbo.xia; +Cc: dev, jiayu.hu, xingguang.he, yuanx.wang

If the VMDQ limits is 0, a divide-by-zero error occurs.
This patch replaces throwing a floating point exception with
a normal error message.

Signed-off-by: Yuan Wang <yuanx.wang@intel.com>
---
 examples/vhost/main.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/examples/vhost/main.c b/examples/vhost/main.c
index d94fabb060..815ac1cd57 100644
--- a/examples/vhost/main.c
+++ b/examples/vhost/main.c
@@ -400,6 +400,10 @@ port_init(uint16_t port)
 
 		return retval;
 	}
+	if (dev_info.max_vmdq_pools == 0) {
+		RTE_LOG(ERR, VHOST_PORT, "Failed to get VMDQ info.\n");
+		return -1;
+	}
 
 	rxconf = &dev_info.default_rxconf;
 	txconf = &dev_info.default_txconf;
-- 
2.25.1


^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2022-06-01 10:09 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2022-04-11 16:34 [PATCH] examples/vhost: fix floating point exception when there is no VMDQ Yuan Wang
2022-05-16 12:57 ` Xia, Chenbo
2022-05-17 10:14   ` Wang, YuanX
2022-05-18 13:36 ` [PATCH v2] examples/vhost: fix floating point exception when no VMDq Yuan Wang
2022-05-30  2:52   ` Xia, Chenbo
2022-06-01 10:09   ` Maxime Coquelin

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