Merge pull request #112 from glyptodon/fix-resource-leaks

GUAC-1389: Fix resource leaks reported by static analysis.
This commit is contained in:
James Muehlner 2016-03-02 20:09:47 -08:00
commit 4d443efe0f
3 changed files with 6 additions and 3 deletions

View File

@ -445,6 +445,9 @@ guac_common_ssh_session* guac_common_ssh_create_session(guac_client* client,
}
/* Free addrinfo */
freeaddrinfo(addresses);
/* If unable to connect to anything, fail */
if (current_address == NULL) {
guac_client_abort(client, GUAC_PROTOCOL_STATUS_UPSTREAM_ERROR,
@ -453,9 +456,6 @@ guac_common_ssh_session* guac_common_ssh_create_session(guac_client* client,
return NULL;
}
/* Free addrinfo */
freeaddrinfo(addresses);
/* Allocate new session */
guac_common_ssh_session* common_session =
malloc(sizeof(guac_common_ssh_session));

View File

@ -687,6 +687,7 @@ int guac_client_load_plugin(guac_client* client, const char* protocol) {
if (dlerror() != NULL) {
guac_error = GUAC_STATUS_INTERNAL_ERROR;
guac_error_message = dlerror();
dlclose(client_plugin_handle);
return -1;
}

View File

@ -318,6 +318,7 @@ int guac_png_write(guac_socket* socket, guac_stream* stream,
png_info = png_create_info_struct(png);
if (!png_info) {
png_destroy_write_struct(&png, NULL);
guac_palette_free(palette);
guac_error = GUAC_STATUS_INTERNAL_ERROR;
guac_error_message = "libpng failed to create info structure";
return -1;
@ -326,6 +327,7 @@ int guac_png_write(guac_socket* socket, guac_stream* stream,
/* Set error handler */
if (setjmp(png_jmpbuf(png))) {
png_destroy_write_struct(&png, &png_info);
guac_palette_free(palette);
guac_error = GUAC_STATUS_IO_ERROR;
guac_error_message = "libpng output error";
return -1;