[dpdk-dev] [PATCH v1] lib/bitratestats: add NULL sanity check

[Remy Horton]

If rte_stats_bitrate_reg() is passed NULL, the result is a crash.
Fixed by adding a sanity check that makes sure the passed-in
pointer is not NULL.

Fixes: 2ad7ba9a6567 ("bitrate: add bitrate statistics library")

Signed-off-by: Remy Horton <remy.hor...@intel.com>
---
 lib/librte_bitratestats/rte_bitrate.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/lib/librte_bitratestats/rte_bitrate.c 
b/lib/librte_bitratestats/rte_bitrate.c
index 964e3c3..20e1755 100644
--- a/lib/librte_bitratestats/rte_bitrate.c
+++ b/lib/librte_bitratestats/rte_bitrate.c
@@ -47,6 +47,9 @@ rte_stats_bitrate_reg(struct rte_stats_bitrates *bitrate_data)
        };
        int return_value;
 
+       if (bitrate_data == NULL)
+               return -EINVAL;
+
        return_value = rte_metrics_reg_names(&names[0], ARRAY_SIZE(names));
        if (return_value >= 0)
                bitrate_data->id_stats_set = return_value;
-- 
2.9.5