static CharDriverState *qemu_chr_open_pipe(ChardevHostdev *opts) { const char *filename = opts->device; CharDriverState *chr; WinCharState *s; chr = qemu_chr_alloc(); s = g_malloc0(sizeof(WinCharState)); chr->opaque = s; chr->chr_write = win_chr_write; chr->chr_close = win_chr_close; if (win_chr_pipe_init(chr, filename) < 0) { g_free(s); g_free(chr); return NULL; } return chr; }