diff options
Diffstat (limited to 'tools/kwboot.c')
| -rw-r--r-- | tools/kwboot.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index a527c79cf33..5e491f31a43 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -639,7 +639,7 @@ baud_fail: static int kwboot_open_tty(const char *path, int baudrate) { - int rc, fd; + int rc, fd, flags; struct termios tio; rc = -1; @@ -661,6 +661,14 @@ kwboot_open_tty(const char *path, int baudrate) if (rc) goto out; + flags = fcntl(fd, F_GETFL); + if (flags < 0) + goto out; + + rc = fcntl(fd, F_SETFL, flags & ~O_NDELAY); + if (rc) + goto out; + rc = kwboot_tty_change_baudrate(fd, baudrate); if (rc) goto out; |