diff options
| -rw-r--r-- | tools/kwboot.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/tools/kwboot.c b/tools/kwboot.c index 0a77060288..50ae2b4b77 100644 --- a/tools/kwboot.c +++ b/tools/kwboot.c @@ -182,7 +182,7 @@ kwboot_tty_recv(int fd, void *buf, size_t len, int timeo) } n = read(fd, buf, len); - if (n < 0) + if (n <= 0) goto out; buf = (char *)buf + n; @@ -466,7 +466,7 @@ kwboot_term_pipe(int in, int out, char *quit, int *s) char _buf[128], *buf = _buf; nin = read(in, buf, sizeof(buf)); - if (nin < 0) + if (nin <= 0) return -1; if (quit) { |