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From: Qiming Yang <qiming.yang@intel.com>
To: dev@dpdk.org
Cc: Qiming Yang <qiming.yang@intel.com>, stable@dpdk.org
Subject: [PATCH] lib: add warning for NULL pointer
Date: Wed,  5 Dec 2018 19:55:31 +0800	[thread overview]
Message-ID: <20181205115531.17073-1-qiming.yang@intel.com> (raw)

May return NULL when manage tries for packet in acl library. So
this patch added warning for the NULL pointer return.

Fixes: 074f54ad03ee ("acl: fix build and runtime for default target")
Cc: stable@dpdk.org

Signed-off-by: Qiming Yang <qiming.yang@intel.com>
---
 lib/librte_acl/acl_run.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/librte_acl/acl_run.h b/lib/librte_acl/acl_run.h
index bf7842d..6c718c0 100644
--- a/lib/librte_acl/acl_run.h
+++ b/lib/librte_acl/acl_run.h
@@ -143,6 +143,9 @@ acl_start_next_trie(struct acl_flow_data *flows, struct parms *parms, int n,
 				flows->num_packets * flows->categories);
 		}
 
+		if (flows->last_cmplt == NULL)
+			RTE_LOG(WARNING, MALLOC, "packet tries allocate failed");
+
 		/* set completion parameters and starting index for this slot */
 		parms[n].cmplt = flows->last_cmplt;
 		transition =
-- 
2.9.5

             reply	other threads:[~2018-12-05 11:55 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-05 11:55 Qiming Yang [this message]
2018-12-05  4:37 ` [PATCH] lib: add warning for NULL pointer Varghese, Vipin
2018-12-05  5:15   ` Varghese, Vipin
2018-12-05 17:06 ` Stephen Hemminger
2019-01-14 12:39 ` Ananyev, Konstantin

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