diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/kwboot.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index 454339db14..b9a402ca91 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -380,12 +380,15 @@ kwboot_xm_sendblock(int fd, struct kwboot_block *block) do { rc = kwboot_tty_send(fd, block, sizeof(*block)); if (rc) - break; + return rc; do { rc = kwboot_tty_recv(fd, &c, 1, blk_rsp_timeo); - if (rc) - break; + if (rc) { + if (errno != ETIMEDOUT) + return rc; + c = NAK; + } if (c != ACK && c != NAK && c != CAN) printf("%c", c); |