diff options
Diffstat (limited to 'c/src/lib/libc/ioctl.c')
-rw-r--r-- | c/src/lib/libc/ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/c/src/lib/libc/ioctl.c b/c/src/lib/libc/ioctl.c index af986743dd..8c6004d37c 100644 --- a/c/src/lib/libc/ioctl.c +++ b/c/src/lib/libc/ioctl.c @@ -33,6 +33,9 @@ int ioctl( * Now process the ioctl(). */ + if ( !iop->handlers ) + set_errno_and_return_minus_one( EBADF ); + if ( !iop->handlers->ioctl ) set_errno_and_return_minus_one( ENOTSUP ); |