[dpdk-stable] [PATCH] tests/cmdline: fix memory leaks

[ohilyard@iol.unh.edu]

From: Owen Hilyard <ohilyard@iol.unh.edu>

[ upstream commit ca7204b921c2f328ab1222772af40922970e7c4b ]

Fixes for a few memory leaks in the cmdline_autotest unit test.

All of the leaks were related to not freeing the commandline struct
after testing had completed.

Fixes: dbb860e03e ("cmdline: tests")

Signed-off-by: Owen Hilyard <ohilyard@iol.unh.edu>
Reviewed-by: David Marchand <david.marchand@redhat.com>
---
 app/test/test_cmdline_lib.c | 47 +++++++++++++++++++++++++++----------
 1 file changed, 34 insertions(+), 13 deletions(-)

diff --git a/app/test/test_cmdline_lib.c b/app/test/test_cmdline_lib.c
index a856a9713..7d9009408 100644
--- a/app/test/test_cmdline_lib.c
+++ b/app/test/test_cmdline_lib.c
@@ -62,10 +62,12 @@ test_cmdline_parse_fns(void)
 	if (cmdline_complete(&cl, "buffer", &i, NULL, sizeof(dst)) >= 0)
 		goto error;
 
+    cmdline_free(&cl);
 	return 0;
 
 error:
 	printf("Error: function accepted null parameter!\n");
+    cmdline_free(&cl);
 	return -1;
 }
 
@@ -131,32 +133,43 @@ static int
 test_cmdline_socket_fns(void)
 {
 	cmdline_parse_ctx_t ctx;
+    struct cmdline* cl;
 
-	if (cmdline_stdin_new(NULL, "prompt") != NULL)
+    cl = cmdline_stdin_new(NULL, "prompt");
+	if (cl != NULL)
 		goto error;
-	if (cmdline_stdin_new(&ctx, NULL) != NULL)
+    cl = cmdline_stdin_new(&ctx, NULL);
+	if (cl != NULL)
 		goto error;
-	if (cmdline_file_new(NULL, "prompt", "/dev/null") != NULL)
+    cl = cmdline_file_new(NULL, "prompt", "/dev/null");
+	if (cl != NULL)
 		goto error;
-	if (cmdline_file_new(&ctx, NULL, "/dev/null") != NULL)
+    cl = cmdline_file_new(&ctx, NULL, "/dev/null");
+	if (cl != NULL)
 		goto error;
-	if (cmdline_file_new(&ctx, "prompt", NULL) != NULL)
+    cl = cmdline_file_new(&ctx, "prompt", NULL);
+	if (cl != NULL)
 		goto error;
-	if (cmdline_file_new(&ctx, "prompt", "-/invalid/~/path") != NULL) {
+    cl = cmdline_file_new(&ctx, "prompt", "-/invalid/~/path");
+	if (cl != NULL) {
 		printf("Error: succeeded in opening invalid file for reading!");
+		cmdline_free(cl);
 		return -1;
 	}
-	if (cmdline_file_new(&ctx, "prompt", "/dev/null") == NULL) {
+    cl = cmdline_file_new(&ctx, "prompt", "/dev/null");
+	if (cl == NULL) {
 		printf("Error: failed to open /dev/null for reading!");
+		cmdline_free(cl);
 		return -1;
 	}
 
 	/* void functions */
 	cmdline_stdin_exit(NULL);
-
+	cmdline_free(cl);
 	return 0;
 error:
 	printf("Error: function accepted null parameter!\n");
+	cmdline_free(cl);
 	return -1;
 }
 
@@ -164,16 +177,20 @@ static int
 test_cmdline_fns(void)
 {
 	cmdline_parse_ctx_t ctx;
-	struct cmdline cl, *tmp;
+    struct cmdline cl, *tmp, *tmp2;
 
 	memset(&ctx, 0, sizeof(ctx));
 	tmp = cmdline_new(&ctx, "test", -1, -1);
-	if (tmp == NULL)
+	if (tmp == NULL) {
+		tmp2 = NULL;
 		goto error;
+	}
 
-	if (cmdline_new(NULL, "prompt", 0, 0) != NULL)
+    tmp2 = cmdline_new(NULL, "prompt", 0, 0);
+    if (tmp2 != NULL)
 		goto error;
-	if (cmdline_new(&ctx, NULL, 0, 0) != NULL)
+    tmp2 = cmdline_new(&ctx, NULL, 0, 0);
+    if (tmp2 != NULL)
 		goto error;
 	if (cmdline_in(NULL, "buffer", CMDLINE_TEST_BUFSIZE) >= 0)
 		goto error;
@@ -202,14 +219,18 @@ test_cmdline_fns(void)
 	if (memcmp(&cl, tmp, sizeof(cl))) goto mismatch;
 
 	cmdline_free(tmp);
-
+    cmdline_free(tmp2);
 	return 0;
 
 error:
 	printf("Error: function accepted null parameter!\n");
+    cmdline_free(tmp);
+    cmdline_free(tmp2);
 	return -1;
 mismatch:
 	printf("Error: data changed!\n");
+    cmdline_free(tmp);
+    cmdline_free(tmp2);
 	return -1;
 }
 
-- 
2.30.2