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gstreamer: Fix memory leaks when context parse fails

Browse source 
When g_option_context_parse fails, context and error variables are not getting free'd
which results in memory leaks. Free'ing the same.

And replacing g_error_free with g_clear_error, which checks if the error being passed
is not NULL and sets the variable to NULL on free'ing.

https://bugzilla.gnome.org/show_bug.cgi?id=753851
This commit is contained in:
Vineeth TM 2015-08-20 16:21:59 +09:00 committed by Sebastian Dröge
parent d3e9f55302
commit 215cfcf993
10 changed files with 45 additions and 13 deletions
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6
docs/manual/advanced-dataaccess.xml
View file

@ -915,7 +915,7 @@ main (int argc, char *argv[])
if (error != NULL) { if (error != NULL) {
g_print ("could not construct pipeline: %s\n", error->message); g_print ("could not construct pipeline: %s\n", error->message);
g_error_free (error); g_clear_error (&error);
exit (-1); exit (-1);
} }
@ -1475,7 +1475,7 @@ bus_cb (GstBus * bus, GstMessage * msg, gpointer user_data)
gst_message_parse_error (msg, &err, &dbg); gst_message_parse_error (msg, &err, &dbg);
gst_object_default_error (msg->src, err, dbg); gst_object_default_error (msg->src, err, dbg);
g_error_free (err); g_clear_error (&err);
g_free (dbg); g_free (dbg);
g_main_loop_quit (loop); g_main_loop_quit (loop);
break; break;
@ -1505,6 +1505,8 @@ main (int argc, char **argv)
g_option_context_add_group (ctx, gst_init_get_option_group ()); g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) { if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message); g_print ("Error initializing: %s\n", err->message);
g_clear_error (&err);
g_option_context_free (ctx);
return 1; return 1;
} }
g_option_context_free (ctx); g_option_context_free (ctx);

3
docs/manual/appendix-integration.xml
View file

@ -127,8 +127,11 @@ main (gint argc, gchar **argv)
* calls gtk_init() and gst_init() */ * calls gtk_init() and gst_init() */
if (!g_option_context_parse (ctx, &argc, &argv, &err)) { if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", err->message); g_print ("Error initializing: %s\n", err->message);
g_clear_error (&err);
g_option_context_free (ctx);
exit (1); exit (1);
} }
g_option_context_free (ctx);
/* any filenames we got passed on the command line? parse them! */ /* any filenames we got passed on the command line? parse them! */
if (cmd_filenames != NULL) { if (cmd_filenames != NULL) {

4
docs/manual/basics-init.xml
View file

@ -102,9 +102,11 @@ main (int argc,
g_option_context_add_group (ctx, gst_init_get_option_group ()); g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) { if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Failed to initialize: %s\n", err->message); g_print ("Failed to initialize: %s\n", err->message);
g_error_free (err); g_clear_error (&err);
g_option_context_free (ctx);
return 1; return 1;
} }
g_option_context_free (ctx);
printf ("Run me with --help to see the Application options appended.\n"); printf ("Run me with --help to see the Application options appended.\n");

2
libs/gst/helpers/gst-completion-helper.c
View file

@ -235,6 +235,8 @@ main (int argc, char *argv[])
g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message)); g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message));
else else
g_printerr ("Error initializing: Unknown error!\n"); g_printerr ("Error initializing: Unknown error!\n");
g_clear_error (&err);
g_option_context_free (ctx);
exit (1); exit (1);
} }
g_option_context_free (ctx); g_option_context_free (ctx);

16
libs/gst/helpers/gst-ptp-helper.c
View file

@ -98,6 +98,7 @@ have_socket_data_cb (GSocket * socket, GIOCondition condition,
read = g_socket_receive (socket, buffer, sizeof (buffer), NULL, &err); read = g_socket_receive (socket, buffer, sizeof (buffer), NULL, &err);
if (read == -1) if (read == -1)
g_error ("Failed to read from socket: %s", err->message); g_error ("Failed to read from socket: %s", err->message);
g_clear_error (&err);
if (verbose) if (verbose)
g_message ("Received %" G_GSSIZE_FORMAT " bytes from %s socket", read, g_message ("Received %" G_GSSIZE_FORMAT " bytes from %s socket", read,
@ -111,6 +112,7 @@ have_socket_data_cb (GSocket * socket, GIOCondition condition,
sizeof (header), &written, &err); sizeof (header), &written, &err);
if (status == G_IO_STATUS_ERROR) { if (status == G_IO_STATUS_ERROR) {
g_error ("Failed to write to stdout: %s", err->message); g_error ("Failed to write to stdout: %s", err->message);
g_clear_error (&err);
} else if (status == G_IO_STATUS_EOF) { } else if (status == G_IO_STATUS_EOF) {
g_message ("EOF on stdout"); g_message ("EOF on stdout");
exit (0); exit (0);
@ -124,6 +126,7 @@ have_socket_data_cb (GSocket * socket, GIOCondition condition,
g_io_channel_write_chars (stdout_channel, buffer, read, &written, &err); g_io_channel_write_chars (stdout_channel, buffer, read, &written, &err);
if (status == G_IO_STATUS_ERROR) { if (status == G_IO_STATUS_ERROR) {
g_error ("Failed to write to stdout: %s", err->message); g_error ("Failed to write to stdout: %s", err->message);
g_clear_error (&err);
} else if (status == G_IO_STATUS_EOF) { } else if (status == G_IO_STATUS_EOF) {
g_message ("EOF on stdout"); g_message ("EOF on stdout");
exit (0); exit (0);
@ -157,6 +160,7 @@ have_stdin_data_cb (GIOChannel * channel, GIOCondition condition,
&read, &err); &read, &err);
if (status == G_IO_STATUS_ERROR) { if (status == G_IO_STATUS_ERROR) {
g_error ("Failed to read from stdin: %s", err->message); g_error ("Failed to read from stdin: %s", err->message);
g_clear_error (&err);
} else if (status == G_IO_STATUS_EOF) { } else if (status == G_IO_STATUS_EOF) {
g_message ("EOF on stdin"); g_message ("EOF on stdin");
exit (0); exit (0);
@ -171,6 +175,7 @@ have_stdin_data_cb (GIOChannel * channel, GIOCondition condition,
status = g_io_channel_read_chars (channel, buffer, header.size, &read, &err); status = g_io_channel_read_chars (channel, buffer, header.size, &read, &err);
if (status == G_IO_STATUS_ERROR) { if (status == G_IO_STATUS_ERROR) {
g_error ("Failed to read from stdin: %s", err->message); g_error ("Failed to read from stdin: %s", err->message);
g_clear_error (&err);
} else if (status == G_IO_STATUS_EOF) { } else if (status == G_IO_STATUS_EOF) {
g_message ("EOF on stdin"); g_message ("EOF on stdin");
exit (0); exit (0);
@ -192,7 +197,7 @@ have_stdin_data_cb (GIOChannel * channel, GIOCondition condition,
g_error ("Failed to write to socket: %s", err->message); g_error ("Failed to write to socket: %s", err->message);
else if (written != header.size) else if (written != header.size)
g_error ("Unexpected write size: %" G_GSSIZE_FORMAT, written); g_error ("Unexpected write size: %" G_GSSIZE_FORMAT, written);
g_clear_error (&err);
if (verbose) if (verbose)
g_message ("Sent %" G_GSSIZE_FORMAT " bytes to %s socket", read, g_message ("Sent %" G_GSSIZE_FORMAT " bytes to %s socket", read,
(header.type == TYPE_EVENT ? "event" : "general")); (header.type == TYPE_EVENT ? "event" : "general"));
@ -219,12 +224,14 @@ setup_sockets (void)
G_SOCKET_PROTOCOL_UDP, &err); G_SOCKET_PROTOCOL_UDP, &err);
if (!socket_event) if (!socket_event)
g_error ("Couldn't create event socket: %s", err->message); g_error ("Couldn't create event socket: %s", err->message);
g_clear_error (&err);
socket_general = socket_general =
g_socket_new (G_SOCKET_FAMILY_IPV4, G_SOCKET_TYPE_DATAGRAM, g_socket_new (G_SOCKET_FAMILY_IPV4, G_SOCKET_TYPE_DATAGRAM,
G_SOCKET_PROTOCOL_UDP, &err); G_SOCKET_PROTOCOL_UDP, &err);
if (!socket_general) if (!socket_general)
g_error ("Couldn't create general socket: %s", err->message); g_error ("Couldn't create general socket: %s", err->message);
g_clear_error (&err);
/* Bind sockets */ /* Bind sockets */
bind_addr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV4); bind_addr = g_inet_address_new_any (G_SOCKET_FAMILY_IPV4);
@ -458,18 +465,22 @@ setup_sockets (void)
if (!g_socket_join_multicast_group (socket_event, mcast_addr, FALSE, NULL, if (!g_socket_join_multicast_group (socket_event, mcast_addr, FALSE, NULL,
&err)) &err))
g_error ("Couldn't join multicast group: %s", err->message); g_error ("Couldn't join multicast group: %s", err->message);
g_clear_error (&err);
if (!g_socket_join_multicast_group (socket_general, mcast_addr, FALSE, if (!g_socket_join_multicast_group (socket_general, mcast_addr, FALSE,
NULL, &err)) NULL, &err))
g_error ("Couldn't join multicast group: %s", err->message); g_error ("Couldn't join multicast group: %s", err->message);
g_clear_error (&err);
} }
} else { } else {
/* Join multicast group without any interface */ /* Join multicast group without any interface */
if (!g_socket_join_multicast_group (socket_event, mcast_addr, FALSE, NULL, if (!g_socket_join_multicast_group (socket_event, mcast_addr, FALSE, NULL,
&err)) &err))
g_error ("Couldn't join multicast group: %s", err->message); g_error ("Couldn't join multicast group: %s", err->message);
g_clear_error (&err);
if (!g_socket_join_multicast_group (socket_general, mcast_addr, FALSE, NULL, if (!g_socket_join_multicast_group (socket_general, mcast_addr, FALSE, NULL,
&err)) &err))
g_error ("Couldn't join multicast group: %s", err->message); g_error ("Couldn't join multicast group: %s", err->message);
g_clear_error (&err);
} }
event_saddr = g_inet_socket_address_new (mcast_addr, PTP_EVENT_PORT); event_saddr = g_inet_socket_address_new (mcast_addr, PTP_EVENT_PORT);
@ -592,6 +603,7 @@ write_clock_id (void)
sizeof (header), &written, &err); sizeof (header), &written, &err);
if (status == G_IO_STATUS_ERROR) { if (status == G_IO_STATUS_ERROR) {
g_error ("Failed to write to stdout: %s", err->message); g_error ("Failed to write to stdout: %s", err->message);
g_clear_error (&err);
} else if (status == G_IO_STATUS_EOF) { } else if (status == G_IO_STATUS_EOF) {
g_message ("EOF on stdout"); g_message ("EOF on stdout");
exit (0); exit (0);
@ -606,6 +618,7 @@ write_clock_id (void)
(const gchar *) clock_id_array, sizeof (clock_id_array), &written, &err); (const gchar *) clock_id_array, sizeof (clock_id_array), &written, &err);
if (status == G_IO_STATUS_ERROR) { if (status == G_IO_STATUS_ERROR) {
g_error ("Failed to write to stdout: %s", err->message); g_error ("Failed to write to stdout: %s", err->message);
g_clear_error (&err);
} else if (status == G_IO_STATUS_EOF) { } else if (status == G_IO_STATUS_EOF) {
g_message ("EOF on stdout"); g_message ("EOF on stdout");
exit (0); exit (0);
@ -654,6 +667,7 @@ main (gint argc, gchar ** argv)
g_option_context_add_main_entries (opt_ctx, opt_entries, NULL); g_option_context_add_main_entries (opt_ctx, opt_entries, NULL);
if (!g_option_context_parse (opt_ctx, &argc, &argv, &err)) if (!g_option_context_parse (opt_ctx, &argc, &argv, &err))
g_error ("Error parsing options: %s", err->message); g_error ("Error parsing options: %s", err->message);
g_clear_error (&err);
g_option_context_free (opt_ctx); g_option_context_free (opt_ctx);
setup_sockets (); setup_sockets ();

6
tests/benchmarks/capsnego.c
View file

@ -157,7 +157,7 @@ event_loop (GstElement * bin)
gst_message_parse_warning (msg, &err, &dbg); gst_message_parse_warning (msg, &err, &dbg);
GST_WARNING_OBJECT (GST_MESSAGE_SRC (msg), "%s (%s)", err->message, GST_WARNING_OBJECT (GST_MESSAGE_SRC (msg), "%s (%s)", err->message,
(dbg ? dbg : "no details")); (dbg ? dbg : "no details"));
g_error_free (err); g_clear_error (&err);
g_free (dbg); g_free (dbg);
break; break;
} }
@ -168,7 +168,7 @@ event_loop (GstElement * bin)
gst_message_parse_error (msg, &err, &dbg); gst_message_parse_error (msg, &err, &dbg);
GST_ERROR_OBJECT (GST_MESSAGE_SRC (msg), "%s (%s)", err->message, GST_ERROR_OBJECT (GST_MESSAGE_SRC (msg), "%s (%s)", err->message,
(dbg ? dbg : "no details")); (dbg ? dbg : "no details"));
g_error_free (err); g_clear_error (&err);
g_free (dbg); g_free (dbg);
running = FALSE; running = FALSE;
break; break;
@ -218,6 +218,8 @@ main (gint argc, gchar * argv[])
g_option_context_add_group (ctx, gst_init_get_option_group ()); g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) { if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", GST_STR_NULL (err->message)); g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
g_clear_error (&err);
g_option_context_free (ctx);
return 1; return 1;
} }
g_option_context_free (ctx); g_option_context_free (ctx);

1
tests/examples/ptp/ptp-print-times.c
View file

@ -70,6 +70,7 @@ main (gint argc, gchar ** argv)
g_option_context_add_group (opt_ctx, gst_init_get_option_group ()); g_option_context_add_group (opt_ctx, gst_init_get_option_group ());
if (!g_option_context_parse (opt_ctx, &argc, &argv, &err)) if (!g_option_context_parse (opt_ctx, &argc, &argv, &err))
g_error ("Error parsing options: %s", err->message); g_error ("Error parsing options: %s", err->message);
g_clear_error (&err);
g_option_context_free (opt_ctx); g_option_context_free (opt_ctx);
if (!gst_ptp_init (GST_PTP_CLOCK_ID_NONE, NULL)) if (!gst_ptp_init (GST_PTP_CLOCK_ID_NONE, NULL))

4
tools/gst-inspect.c
View file

@ -1499,6 +1499,8 @@ main (int argc, char *argv[])
g_option_context_add_group (ctx, gst_init_get_option_group ()); g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) { if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_printerr ("Error initializing: %s\n", err->message); g_printerr ("Error initializing: %s\n", err->message);
g_clear_error (&err);
g_option_context_free (ctx);
return -1; return -1;
} }
g_option_context_free (ctx); g_option_context_free (ctx);
@ -1615,7 +1617,7 @@ main (int argc, char *argv[])
} }
} else { } else {
g_printerr (_("Could not load plugin file: %s\n"), error->message); g_printerr (_("Could not load plugin file: %s\n"), error->message);
g_error_free (error); g_clear_error (&error);
return -1; return -1;
} }
} else { } else {

12
tools/gst-launch.c
View file

@ -325,7 +325,7 @@ print_error_message (GstMessage * msg)
if (debug != NULL) if (debug != NULL)
g_printerr (_("Additional debug info:\n%s\n"), debug); g_printerr (_("Additional debug info:\n%s\n"), debug);
g_error_free (err); g_clear_error (&err);
g_free (debug); g_free (debug);
g_free (name); g_free (name);
} }
@ -649,7 +649,7 @@ event_loop (GstElement * pipeline, gboolean blocking, gboolean do_progress,
if (debug) { if (debug) {
PRINT (_("INFO:\n%s\n"), debug); PRINT (_("INFO:\n%s\n"), debug);
} }
g_error_free (gerror); g_clear_error (&gerror);
g_free (debug); g_free (debug);
g_free (name); g_free (name);
break; break;
@ -668,7 +668,7 @@ event_loop (GstElement * pipeline, gboolean blocking, gboolean do_progress,
if (debug) { if (debug) {
PRINT (_("Additional debug info:\n%s\n"), debug); PRINT (_("Additional debug info:\n%s\n"), debug);
} }
g_error_free (gerror); g_clear_error (&gerror);
g_free (debug); g_free (debug);
g_free (name); g_free (name);
break; break;
@ -973,6 +973,8 @@ main (int argc, char *argv[])
g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message)); g_printerr ("Error initializing: %s\n", GST_STR_NULL (err->message));
else else
g_printerr ("Error initializing: Unknown error!\n"); g_printerr ("Error initializing: Unknown error!\n");
g_clear_error (&error);
g_option_context_free (ctx);
exit (1); exit (1);
} }
g_option_context_free (ctx); g_option_context_free (ctx);
@ -1000,7 +1002,7 @@ main (int argc, char *argv[])
if (error) { if (error) {
g_printerr (_("ERROR: pipeline could not be constructed: %s.\n"), g_printerr (_("ERROR: pipeline could not be constructed: %s.\n"),
GST_STR_NULL (error->message)); GST_STR_NULL (error->message));
g_error_free (error); g_clear_error (&error);
} else { } else {
g_printerr (_("ERROR: pipeline could not be constructed.\n")); g_printerr (_("ERROR: pipeline could not be constructed.\n"));
} }
@ -1008,7 +1010,7 @@ main (int argc, char *argv[])
} else if (error) { } else if (error) {
g_printerr (_("WARNING: erroneous pipeline: %s\n"), g_printerr (_("WARNING: erroneous pipeline: %s\n"),
GST_STR_NULL (error->message)); GST_STR_NULL (error->message));
g_error_free (error); g_clear_error (&error);
return 1; return 1;
} }

4
tools/gst-typefind.c
View file

@ -106,7 +106,7 @@ typefind_file (const gchar * filename)
if (msg) { if (msg) {
gst_message_parse_error (msg, &err, NULL); gst_message_parse_error (msg, &err, NULL);
g_printerr ("%s - FAILED: %s\n", filename, err->message); g_printerr ("%s - FAILED: %s\n", filename, err->message);
g_error_free (err); g_clear_error (&err);
gst_message_unref (msg); gst_message_unref (msg);
} else { } else {
g_printerr ("%s - FAILED: unknown error\n", filename); g_printerr ("%s - FAILED: unknown error\n", filename);
@ -162,6 +162,8 @@ main (int argc, char *argv[])
g_option_context_add_group (ctx, gst_init_get_option_group ()); g_option_context_add_group (ctx, gst_init_get_option_group ());
if (!g_option_context_parse (ctx, &argc, &argv, &err)) { if (!g_option_context_parse (ctx, &argc, &argv, &err)) {
g_print ("Error initializing: %s\n", GST_STR_NULL (err->message)); g_print ("Error initializing: %s\n", GST_STR_NULL (err->message));
g_clear_error (&err);
g_option_context_free (ctx);
exit (1); exit (1);
} }
g_option_context_free (ctx); g_option_context_free (ctx);