diff --git a/drivers/usb/host/xhci-hcd.c b/drivers/usb/host/xhci-hcd.c index 451f53eec6d7..17f1caf2af64 100644 --- a/drivers/usb/host/xhci-hcd.c +++ b/drivers/usb/host/xhci-hcd.c @@ -1679,7 +1679,7 @@ int xhci_update_hub_device(struct usb_hcd *hcd, struct usb_device *hdev, xhci_warn(xhci, "Cannot update hub desc for unknown device.\n"); return -EINVAL; } - config_cmd = xhci_alloc_command(xhci, true, mem_flags); + config_cmd = xhci_alloc_command(xhci, true, true, mem_flags); if (!config_cmd) { xhci_dbg(xhci, "Could not allocate xHCI command structure.\n"); return -ENOMEM; diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index 1f1f8a0f2e66..8045bc69083d 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -267,6 +267,8 @@ struct xhci_container_ctx *xhci_alloc_container_ctx(struct xhci_hcd *xhci, void xhci_free_container_ctx(struct xhci_hcd *xhci, struct xhci_container_ctx *ctx) { + if (!ctx) + return; dma_pool_free(xhci->device_pool, ctx->bytes, ctx->dma); kfree(ctx); } @@ -844,7 +846,8 @@ static void scratchpad_free(struct xhci_hcd *xhci) } struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci, - bool allocate_completion, gfp_t mem_flags) + bool allocate_in_ctx, bool allocate_completion, + gfp_t mem_flags) { struct xhci_command *command; @@ -852,11 +855,14 @@ struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci, if (!command) return NULL; - command->in_ctx = - xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_INPUT, mem_flags); - if (!command->in_ctx) { - kfree(command); - return NULL; + if (allocate_in_ctx) { + command->in_ctx = + xhci_alloc_container_ctx(xhci, XHCI_CTX_TYPE_INPUT, + mem_flags); + if (!command->in_ctx) { + kfree(command); + return NULL; + } } if (allocate_completion) { diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index 61747f3c5c8f..902be9647c60 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1237,7 +1237,8 @@ void xhci_free_or_cache_endpoint_ring(struct xhci_hcd *xhci, struct xhci_virt_device *virt_dev, unsigned int ep_index); struct xhci_command *xhci_alloc_command(struct xhci_hcd *xhci, - bool allocate_completion, gfp_t mem_flags); + bool allocate_in_ctx, bool allocate_completion, + gfp_t mem_flags); void xhci_free_command(struct xhci_hcd *xhci, struct xhci_command *command);