babeltrace: fix poptGetOptArg memleak

Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>

diff --git a/converter/babeltrace.c b/converter/babeltrace.c
index 099a9fa6d62ea50b17164f523573cb9648ca8070..f590abdf7c4b0802db2767ff9cce64b45d19ab00 100644 (file)
--- a/converter/babeltrace.c
+++ b/converter/babeltrace.c
@@ -151,6 +151,7 @@ static void usage(FILE *fp)
 static int get_names_args(poptContext *pc)
 {
        char *str, *strlist, *strctx;
+       int ret = 0;
 
        opt_payload_field_names = 0;
        opt_context_field_names = 0;
@@ -178,15 +179,20 @@ static int get_names_args(poptContext *pc)
                        opt_payload_field_names = 0;
                } else {
                        fprintf(stderr, "[error] unknown field name type %s\n", str);
-                       return -EINVAL;
+                       free(strlist);
+                       ret = -EINVAL;
+                       goto end;
                }
        } while ((str = strtok_r(NULL, ",", &strctx)));
-       return 0;
+end:
+       free(strlist);
+       return ret;
 }
 
 static int get_fields_args(poptContext *pc)
 {
        char *str, *strlist, *strctx;
+       int ret = 0;
 
        strlist = (char *) poptGetOptArg(*pc);
        if (!strlist) {
@@ -215,10 +221,13 @@ static int get_fields_args(poptContext *pc)
                        opt_callsite_field = 1;
                else {
                        fprintf(stderr, "[error] unknown field type %s\n", str);
-                       return -EINVAL;
+                       ret = -EINVAL;
+                       goto end;
                }
        } while ((str = strtok_r(NULL, ",", &strctx)));
-       return 0;
+end:
+       free(strlist);
+       return ret;
 }
 
 /*
@@ -279,10 +288,10 @@ static int parse_options(int argc, char **argv)
                        break;
                case OPT_CLOCK_OFFSET:
                {
-                       const char *str;
+                       char *str;
                        char *endptr;
 
-                       str = poptGetOptArg(pc);
+                       str = (char *) poptGetOptArg(pc);
                        if (!str) {
                                fprintf(stderr, "[error] Missing --clock-offset argument\n");
                                ret = -EINVAL;
@@ -293,8 +302,10 @@ static int parse_options(int argc, char **argv)
                        if (*endptr != '\0' || str == endptr || errno != 0) {
                                fprintf(stderr, "[error] Incorrect --clock-offset argument: %s\n", str);
                                ret = -EINVAL;
+                               free(str);
                                goto end;
                        }
+                       free(str);
                        break;
                }
                case OPT_CLOCK_SECONDS: