diff options
Diffstat (limited to 'cpukit/libcsupport/src/ioctl.c')
| -rw-r--r-- | cpukit/libcsupport/src/ioctl.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/cpukit/libcsupport/src/ioctl.c b/cpukit/libcsupport/src/ioctl.c index 8d84a26a15..ce74ba7cf4 100644 --- a/cpukit/libcsupport/src/ioctl.c +++ b/cpukit/libcsupport/src/ioctl.c @@ -41,6 +41,9 @@ 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 ); |