diff options
| -rw-r--r-- | drivers/staging/most/core.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/staging/most/core.c b/drivers/staging/most/core.c index 839e6cf4fbc0..6e7dcb5999bd 100644 --- a/drivers/staging/most/core.c +++ b/drivers/staging/most/core.c @@ -711,6 +711,8 @@ static ssize_t add_link_store(struct device_driver *drv, if (ret) return ret; comp = match_component(comp_name); + if (!comp) + return -ENODEV; if (!comp_param || *comp_param == 0) { snprintf(devnod_buf, sizeof(devnod_buf), "%s-%s", mdev, mdev_ch); @@ -754,6 +756,8 @@ static ssize_t remove_link_store(struct device_driver *drv, if (ret) return ret; comp = match_component(comp_name); + if (!comp) + return -ENODEV; c = get_channel(mdev, mdev_ch); if (!c) return -ENODEV; |