[dpdk-dev] [PATCH] app/test-crypto-perf: fix buffer not null terminated

[Aleksander Gajewski]

Fix problem: the string buffer may not have a null terminator if
the source string's length is equal to the buffer size.

Coverity issue: 141069
Fixes: f8be1786b1b8 ("app/crypto-perf: introduce performance test
application")

Signed-off-by: Aleksander Gajewski <aleksanderx.gajewski at intel.com>
---
 app/test-crypto-perf/cperf_options_parsing.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/test-crypto-perf/cperf_options_parsing.c b/app/test-crypto-perf/cperf_options_parsing.c
index 3b7342d..691e788 100644
--- a/app/test-crypto-perf/cperf_options_parsing.c
+++ b/app/test-crypto-perf/cperf_options_parsing.c
@@ -198,7 +198,8 @@ struct name_id_map {
 	if (strlen(arg) > (sizeof(opts->device_type) - 1))
 		return -1;
 
-	strncpy(opts->device_type, arg, sizeof(opts->device_type));
+	strncpy(opts->device_type, arg, sizeof(opts->device_type) - 1);
+	*(opts->device_type + sizeof(opts->device_type) - 1) = '\0';
 
 	return 0;
 }
-- 
1.9.1

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