diff options
Diffstat (limited to 'source4/lib/util_sock.c')
| -rw-r--r-- | source4/lib/util_sock.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/source4/lib/util_sock.c b/source4/lib/util_sock.c index 95e0c5fe0c..57d3715cfc 100644 --- a/source4/lib/util_sock.c +++ b/source4/lib/util_sock.c @@ -187,6 +187,11 @@ ssize_t read_data(int fd, char *buffer, size_t N) ssize_t ret; size_t total=0; + if (fd == -1) { + errno = EIO; + return -1; + } + while (total < N) { ret = sys_read(fd,buffer + total,N - total); if (ret == 0) { @@ -209,6 +214,11 @@ ssize_t write_data(int fd, const char *buffer, size_t N) size_t total=0; ssize_t ret; + if (fd == -1) { + errno = EIO; + return -1; + } + while (total < N) { ret = sys_write(fd, buffer + total, N - total); if (ret == -1) { |