diff options
| -rw-r--r-- | drivers/usb/musb/ux500_dma.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c index c3a584cf01b..2df9b7d1ddc 100644 --- a/drivers/usb/musb/ux500_dma.c +++ b/drivers/usb/musb/ux500_dma.c @@ -374,12 +374,17 @@ struct dma_controller *dma_controller_create(struct musb *musb, void __iomem *ba controller = kzalloc(sizeof(*controller), GFP_KERNEL); if (!controller) - return NULL; + goto kzalloc_fail; controller->private_data = musb; /* Save physical address for DMA controller. */ iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!iomem) { + dev_err(musb->controller, "no memory resource defined\n"); + goto plat_get_fail; + } + controller->phy_base = (dma_addr_t) iomem->start; controller->controller.start = ux500_dma_controller_start; @@ -391,4 +396,9 @@ struct dma_controller *dma_controller_create(struct musb *musb, void __iomem *ba controller->controller.is_compatible = ux500_dma_is_compatible; return &controller->controller; + +plat_get_fail: + kfree(controller); +kzalloc_fail: + return NULL; } |