[dpdk-dev] [PATCH v3 2/8] eal: log: free dynamic state on cleanup

[Stephen Hemminger <stephen@networkplumber.org>]

When rte_eal_cleanup is called, free all the memory
associated with dynamic log levels and types.

Fixes: c1b5fa94a46f ("eal: support dynamic log types")
Cc: olivier.matz@6wind.com
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 lib/librte_eal/common/eal_common_log.c | 21 ++++++++++++++++++++-
 1 file changed, 20 insertions(+), 1 deletion(-)

diff --git a/lib/librte_eal/common/eal_common_log.c b/lib/librte_eal/common/eal_common_log.c
index 43de798ae96a..a37cd86f7743 100644
--- a/lib/librte_eal/common/eal_common_log.c
+++ b/lib/librte_eal/common/eal_common_log.c
@@ -14,6 +14,7 @@
 #include <rte_eal.h>
 #include <rte_log.h>
 #include <rte_per_lcore.h>
+#include <rte_tailq.h>
 
 #include "eal_private.h"
 
@@ -54,7 +55,7 @@ struct log_cur_msg {
 };
 
 struct rte_log_dynamic_type {
-	const char *name;
+	char *name;
 	uint32_t loglevel;
 };
 
@@ -486,8 +487,26 @@ eal_log_set_default(FILE *default_log)
 void
 eal_log_cleanup(void)
 {
+	struct rte_eal_opt_loglevel *opt_ll, *tmp;
+	size_t i;
+
 	if (default_log_stream) {
 		fclose(default_log_stream);
 		default_log_stream = NULL;
 	}
+
+	TAILQ_FOREACH_SAFE(opt_ll, &opt_loglevel_list, next, tmp) {
+		if (opt_ll->pattern != NULL)
+			free(opt_ll->pattern);
+		else
+			regfree(&opt_ll->re_match);
+		free(opt_ll);
+	}
+
+	for (i = 0; i < rte_logs.dynamic_types_len; i++)
+		free(rte_logs.dynamic_types[i].name);
+
+	rte_logs.dynamic_types_len = 0;
+	free(rte_logs.dynamic_types);
+	rte_logs.dynamic_types = NULL;
 }
-- 
2.20.1