diff options
Diffstat (limited to 'components/drivers')
| -rw-r--r-- | components/drivers/ipc/pipe.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/components/drivers/ipc/pipe.c b/components/drivers/ipc/pipe.c index 64540eade1..7471d55807 100644 --- a/components/drivers/ipc/pipe.c +++ b/components/drivers/ipc/pipe.c @@ -190,6 +190,11 @@ static int pipe_fops_ioctl(struct dfs_file *fd, int cmd, void *args) pipe = (rt_pipe_t *)fd->vnode->data; + if (args == RT_NULL) + { + return -EINVAL; + } + switch ((rt_ubase_t)cmd) { case FIONREAD: |