[dpdk-dev] [PATCH] lib/lib_eal:fix the pointer 'elem' may be NULL bug

[RongQiang Xie]

Signed-off-by: RongQiang Xie <xie.rongqiang at 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