fix memleak on background cmd error

- src must be free after join_args()
- wordfree must bee used after wordexp

1 files changed, 5 insertions, 2 deletions

diff --git a/sway/commands/output/background.c b/sway/commands/output/background.c
index 82bccf68..4f422cec 100644
--- a/sway/commands/output/background.c
+++ b/sway/commands/output/background.c
@@ -62,8 +62,11 @@ struct cmd_results *output_cmd_background(int argc, char **argv) {
                 wordexp_t p;
                 char *src = join_args(argv, j);
                 if (wordexp(src, &p, 0) != 0 || p.we_wordv[0] == NULL) {
-                        return cmd_results_new(CMD_INVALID, "output",
-                                "Invalid syntax (%s).", src);
+                        struct cmd_results *cmd_res = cmd_results_new(CMD_INVALID, "output",
+                                "Invalid syntax (%s)", src);
+                        free(src);
+                        wordfree(&p);
+                        return cmd_res;
                 }
                 free(src);
                 src = p.we_wordv[0];