56     int ret = validate_strlen(cs, tstr, tlen);  in validate_lock_user_string()  local
60     if (ret > 0) {  in validate_lock_user_string()
61         str = lock_user(VERIFY_READ, tstr, ret, true);  in validate_lock_user_string()
62         ret = str ? 0 : -EFAULT;  in validate_lock_user_string()
65     return ret;  in validate_lock_user_string()
120 static void gdb_open_cb(CPUState *cs, uint64_t ret, int err)  in gdb_open_cb()  argument
124         associate_guestfd(guestfd, ret);  in gdb_open_cb()
125         ret = guestfd;  in gdb_open_cb()
127     gdb_open_complete(cs, ret, err);  in gdb_open_cb()
263     int ret, host_flags = O_BINARY;  in host_open()  local
265     ret = validate_lock_user_string(&p, cs, fname, fname_len);  in host_open()
266     if (ret < 0) {  in host_open()
267         complete(cs, -1, -ret);  in host_open()
288     ret = open(p, host_flags, mode);  in host_open()
289     if (ret < 0) {  in host_open()
293         associate_guestfd(guestfd, ret);  in host_open()
321     ssize_t ret;  in host_read()  local
327     ret = RETRY_ON_EINTR(read(gf->hostfd, ptr, len));  in host_read()
328     if (ret == -1) {  in host_read()
332         unlock_user(ptr, buf, ret);  in host_read()
333         complete(cs, ret, 0);  in host_read()
342     ssize_t ret;  in host_write()  local
348     ret = write(gf->hostfd, ptr, len);  in host_write()
350     complete(cs, ret, ret == -1 ? errno : 0);  in host_write()
361     off_t ret = off;  in host_lseek()  local
364     if (ret == off) {  in host_lseek()
365         ret = lseek(gf->hostfd, ret, whence);  in host_lseek()
366         if (ret == -1) {  in host_lseek()
370         ret = -1;  in host_lseek()
373     complete(cs, ret, err);  in host_lseek()
379     int ret = isatty(gf->hostfd);  in host_isatty()  local
380     complete(cs, ret, ret ? 0 : errno);  in host_isatty()
399     int ret;  in host_fstat()  local
401     ret = fstat(gf->hostfd, &buf);  in host_fstat()
402     if (ret) {  in host_fstat()
406     ret = copy_stat_to_user(cs, addr, &buf);  in host_fstat()
407     complete(cs, ret ? -1 : 0, ret ? -ret : 0);  in host_fstat()
417     int ret, err;  in host_stat()  local
419     ret = validate_lock_user_string(&name, cs, fname, fname_len);  in host_stat()
420     if (ret < 0) {  in host_stat()
421         complete(cs, -1, -ret);  in host_stat()
425     ret = stat(name, &buf);  in host_stat()
426     if (ret) {  in host_stat()
429         ret = copy_stat_to_user(cs, addr, &buf);  in host_stat()
431         if (ret < 0) {  in host_stat()
432             err = -ret;  in host_stat()
433             ret = -1;  in host_stat()
437     complete(cs, ret, err);  in host_stat()
445     int ret;  in host_remove()  local
447     ret = validate_lock_user_string(&p, cs, fname, fname_len);  in host_remove()
448     if (ret < 0) {  in host_remove()
449         complete(cs, -1, -ret);  in host_remove()
453     ret = remove(p);  in host_remove()
455     complete(cs, ret, ret ? errno : 0);  in host_remove()
464     int ret;  in host_rename()  local
466     ret = validate_lock_user_string(&ostr, cs, oname, oname_len);  in host_rename()
467     if (ret < 0) {  in host_rename()
468         complete(cs, -1, -ret);  in host_rename()
471     ret = validate_lock_user_string(&nstr, cs, nname, nname_len);  in host_rename()
472     if (ret < 0) {  in host_rename()
474         complete(cs, -1, -ret);  in host_rename()
478     ret = rename(ostr, nstr);  in host_rename()
481     complete(cs, ret, ret ? errno : 0);  in host_rename()
489     int ret;  in host_system()  local
491     ret = validate_lock_user_string(&p, cs, cmd, cmd_len);  in host_system()
492     if (ret < 0) {  in host_system()
493         complete(cs, -1, -ret);  in host_system()
497     ret = system(p);  in host_system()
499     complete(cs, ret, ret == -1 ? errno : 0);  in host_system()
571     int64_t ret;  in staticfile_lseek()  local
575         ret = off;  in staticfile_lseek()
578         ret = gf->staticfile.off + off;  in staticfile_lseek()
581         ret = gf->staticfile.len + off;  in staticfile_lseek()
584         ret = -1;  in staticfile_lseek()
587     if (ret >= 0 && ret <= gf->staticfile.len) {  in staticfile_lseek()
588         gf->staticfile.off = ret;  in staticfile_lseek()
589         complete(cs, ret, 0);  in staticfile_lseek()
610     int ret;  in console_read()  local
617     ret = qemu_semihosting_console_read(cs, ptr, len);  in console_read()
618     unlock_user(ptr, buf, ret);  in console_read()
619     complete(cs, ret, 0);  in console_read()
627     int ret;  in console_write()  local
633     ret = qemu_semihosting_console_write(ptr, len);  in console_write()
635     complete(cs, ret ? ret : -1, ret ? 0 : EIO);  in console_write()
645     int ret;  in console_fstat()  local
647     ret = copy_stat_to_user(cs, addr, &tty_buf);  in console_fstat()
648     complete(cs, ret ? -1 : 0, ret ? -ret : 0);  in console_fstat()