Merge tag 'remoteproc-3.9-fixes' of git://git.kernel.org/pub/scm/linu…

…x/kernel/git/ohad/remoteproc

Pull remoteproc fixes from Ohad Ben-Cohen:
 "Four small remoteproc fixes:
   - Suman fixed an issue that crawled in with the move to the new
     idr_alloc interface in 3.9
   - Dmitry fixed an STE specific memory leak
   - Sjur fixed an error path in the core
   - Rob fixed a Kconfig typo"

* tag 'remoteproc-3.9-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ohad/remoteproc:
  remoteproc: fix FW_CONFIG typo
  remoteproc: fix error path of handle_vdev
  remoteproc/ste: fix memory leak on shutdown
  remoteproc: fix the error check for idr_alloc

drivers/remoteproc/Kconfig

@@ -4,7 +4,7 @@ menu "Remoteproc drivers"
 config REMOTEPROC
 	tristate
 	depends on HAS_DMA
-	select FW_CONFIG
+	select FW_LOADER
 	select VIRTIO
 
 config OMAP_REMOTEPROC

drivers/remoteproc/remoteproc_core.c

@@ -217,7 +217,7 @@ int rproc_alloc_vring(struct rproc_vdev *rvdev, int i)
 	 * TODO: support predefined notifyids (via resource table)
 	 */
 	ret = idr_alloc(&rproc->notifyids, rvring, 0, 0, GFP_KERNEL);
-	if (ret) {
+	if (ret < 0) {
 		dev_err(dev, "idr_alloc failed: %d\n", ret);
 		dma_free_coherent(dev->parent, size, va, dma);
 		return ret;
@@ -366,10 +366,12 @@ static int rproc_handle_vdev(struct rproc *rproc, struct fw_rsc_vdev *rsc,
 	/* it is now safe to add the virtio device */
 	ret = rproc_add_virtio_dev(rvdev, rsc->id);
 	if (ret)
-		goto free_rvdev;
+		goto remove_rvdev;
 
 	return 0;
 
+remove_rvdev:
+	list_del(&rvdev->node);
 free_rvdev:
 	kfree(rvdev);
 	return ret;

drivers/remoteproc/ste_modem_rproc.c

@@ -240,6 +240,8 @@ static int sproc_drv_remove(struct platform_device *pdev)
 
 	/* Unregister as remoteproc device */
 	rproc_del(sproc->rproc);
+	dma_free_coherent(sproc->rproc->dev.parent, SPROC_FW_SIZE,
+			  sproc->fw_addr, sproc->fw_dma_addr);
 	rproc_put(sproc->rproc);
 
 	mdev->drv_data = NULL;
@@ -297,10 +299,13 @@ static int sproc_probe(struct platform_device *pdev)
 	/* Register as a remoteproc device */
 	err = rproc_add(rproc);
 	if (err)
-		goto free_rproc;
+		goto free_mem;
 
 	return 0;
 
+free_mem:
+	dma_free_coherent(rproc->dev.parent, SPROC_FW_SIZE,
+			  sproc->fw_addr, sproc->fw_dma_addr);
 free_rproc:
 	/* Reset device data upon error */
 	mdev->drv_data = NULL;