diff options
Diffstat (limited to 'tools/kwboot.c')
| -rw-r--r-- | tools/kwboot.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index 8b748f0fdd..fca1c73c55 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -409,15 +409,19 @@ kwboot_tty_recv(int fd, void *buf, size_t len, int timeo) do { nfds = select(fd + 1, &rfds, NULL, NULL, &tv); - if (nfds < 0) + if (nfds < 0 && errno == EINTR) + continue; + else if (nfds < 0) goto out; - if (!nfds) { + else if (!nfds) { errno = ETIMEDOUT; goto out; } n = read(fd, buf, len); - if (n <= 0) + if (n < 0 && errno == EINTR) + continue; + else if (n <= 0) goto out; buf = (char *)buf + n; |