Free the memory allocated by the backtrace_symbols
 to prevent the memory leak

Signed-off-by: Zhe Tao <zhe.tao at intel.com>
---
 lib/librte_eal/bsdapp/eal/eal_debug.c   | 6 ++++++
 lib/librte_eal/linuxapp/eal/eal_debug.c | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/lib/librte_eal/bsdapp/eal/eal_debug.c 
b/lib/librte_eal/bsdapp/eal/eal_debug.c
index 44fc4f3..82d1c81 100644
--- a/lib/librte_eal/bsdapp/eal/eal_debug.c
+++ b/lib/librte_eal/bsdapp/eal/eal_debug.c
@@ -53,11 +53,17 @@ void rte_dump_stack(void)

        size = backtrace(func, BACKTRACE_SIZE);
        symb = backtrace_symbols(func, size);
+
+       if (NULL == symb)
+               return;
+
        while (size > 0) {
                rte_log(RTE_LOG_ERR, RTE_LOGTYPE_EAL,
                        "%d: [%s]\n", size, symb[size - 1]);
                size --;
        }
+
+       free(symb);
 }

 /* not implemented in this environment */
diff --git a/lib/librte_eal/linuxapp/eal/eal_debug.c 
b/lib/librte_eal/linuxapp/eal/eal_debug.c
index 44fc4f3..82d1c81 100644
--- a/lib/librte_eal/linuxapp/eal/eal_debug.c
+++ b/lib/librte_eal/linuxapp/eal/eal_debug.c
@@ -53,11 +53,17 @@ void rte_dump_stack(void)

        size = backtrace(func, BACKTRACE_SIZE);
        symb = backtrace_symbols(func, size);
+
+       if (NULL == symb)
+               return;
+
        while (size > 0) {
                rte_log(RTE_LOG_ERR, RTE_LOGTYPE_EAL,
                        "%d: [%s]\n", size, symb[size - 1]);
                size --;
        }
+
+       free(symb);
 }

 /* not implemented in this environment */
-- 
1.9.3

Reply via email to