diff options
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/fastrpc.c | 5 | ||||
| -rw-r--r-- | drivers/misc/habanalabs/common/device.c | 2 | ||||
| -rw-r--r-- | drivers/misc/pvpanic.c | 1 |
3 files changed, 8 insertions, 0 deletions
diff --git a/drivers/misc/fastrpc.c b/drivers/misc/fastrpc.c index 815d01f785df..273d9c159179 100644 --- a/drivers/misc/fastrpc.c +++ b/drivers/misc/fastrpc.c @@ -948,6 +948,11 @@ static int fastrpc_internal_invoke(struct fastrpc_user *fl, u32 kernel, if (!fl->cctx->rpdev) return -EPIPE; + if (handle == FASTRPC_INIT_HANDLE && !kernel) { + dev_warn_ratelimited(fl->sctx->dev, "user app trying to send a kernel RPC message (%d)\n", handle); + return -EPERM; + } + ctx = fastrpc_context_alloc(fl, kernel, sc, args); if (IS_ERR(ctx)) return PTR_ERR(ctx); diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c index 71b3a4d5adc6..7b0bf470795c 100644 --- a/drivers/misc/habanalabs/common/device.c +++ b/drivers/misc/habanalabs/common/device.c @@ -106,6 +106,8 @@ static int hl_device_release_ctrl(struct inode *inode, struct file *filp) list_del(&hpriv->dev_node); mutex_unlock(&hdev->fpriv_list_lock); + put_pid(hpriv->taskpid); + kfree(hpriv); return 0; diff --git a/drivers/misc/pvpanic.c b/drivers/misc/pvpanic.c index e16a5e51006e..d9140e75602d 100644 --- a/drivers/misc/pvpanic.c +++ b/drivers/misc/pvpanic.c @@ -166,6 +166,7 @@ static const struct of_device_id pvpanic_mmio_match[] = { { .compatible = "qemu,pvpanic-mmio", }, {} }; +MODULE_DEVICE_TABLE(of, pvpanic_mmio_match); static struct platform_driver pvpanic_mmio_driver = { .driver = { |