diff options
Diffstat (limited to 'c/src/lib/libc/libio_sockets.c')
-rw-r--r-- | c/src/lib/libc/libio_sockets.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/c/src/lib/libc/libio_sockets.c b/c/src/lib/libc/libio_sockets.c index 1b0ebb6ba0..a1e98c8b0a 100644 --- a/c/src/lib/libc/libio_sockets.c +++ b/c/src/lib/libc/libio_sockets.c @@ -31,11 +31,19 @@ struct socket *rtems_bsdnet_fdToSocket( { rtems_libio_t *iop; + /* same as rtems_libio_check_fd(_fd) but different return */ if ((unsigned32)fd >= rtems_libio_number_iops) { errno = EBADF; return NULL; } iop = &rtems_libio_iops[fd]; + + /* same as rtems_libio_check_is_open(iop) but different return */ + if ((iop->flags & LIBIO_FLAGS_OPEN) == 0) { + errno = EBADF; + return NULL; + } + if (iop->data1 == NULL) errno = EBADF; return iop->data1; |