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From: RongQiang Xie <xie.rongqiang@zte.com.cn>
To: sergio.gonzalez.monroy@intel.com
Cc: dev@dpdk.org, RongQiang Xie <xie.rongqiang@zte.com.cn>
Subject: [dpdk-dev] [PATCH] lib/lib_eal:fix the pointer 'elem' may be NULL bug
Date: Wed, 28 Jun 2017 16:12:35 +0800	[thread overview]
Message-ID: <201706280921.v5S9L22K090306@mse01.zte.com.cn> (raw)

Signed-off-by: RongQiang Xie <xie.rongqiang@zte.com.cn>
---
 lib/librte_eal/common/eal_common_memzone.c | 6 ++++++
 1 file changed, 6 insertions(+)
 mode change 100644 => 100755 lib/librte_eal/common/eal_common_memzone.c

diff --git a/lib/librte_eal/common/eal_common_memzone.c b/lib/librte_eal/common/eal_common_memzone.c
old mode 100644
new mode 100755
index 3026e36..8ea781b
--- a/lib/librte_eal/common/eal_common_memzone.c
+++ b/lib/librte_eal/common/eal_common_memzone.c
@@ -238,6 +238,12 @@
 	}
 
 	const struct malloc_elem *elem = malloc_elem_from_data(mz_addr);
+	
+	if (elem == NULL) {
+	    RTE_LOG(ERR, EAL, "%s(): Cannot malloc elem from data \n", __func__);
+		rte_errno = ENOSPC;
+		return NULL;
+	}
 
 	/* fill the zone in config */
 	mz = get_next_free_memzone();
-- 
1.8.3.1

             reply	other threads:[~2017-06-28  9:21 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-06-28  8:12 RongQiang Xie [this message]
2017-06-28 10:06 ` Sergio Gonzalez Monroy

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