[dpdk-dev] [PATCH] lib/lib_eal:fix the pointer 'elem' may be NULL bug
RongQiang Xie
xie.rongqiang at zte.com.cn
Wed Jun 28 10:12:35 CEST 2017
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
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