From 863981e96738983919de841ec669e157e6bdaeb0 Mon Sep 17 00:00:00 2001 From: André Fabian Silva Delgado Date: Sun, 11 Sep 2016 04:34:46 -0300 Subject: Linux-libre 4.7.1-gnu --- drivers/usb/core/buffer.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'drivers/usb/core/buffer.c') diff --git a/drivers/usb/core/buffer.c b/drivers/usb/core/buffer.c index 2741566ee..98e39f917 100644 --- a/drivers/usb/core/buffer.c +++ b/drivers/usb/core/buffer.c @@ -122,6 +122,9 @@ void *hcd_buffer_alloc( struct usb_hcd *hcd = bus_to_hcd(bus); int i; + if (size == 0) + return NULL; + /* some USB hosts just use PIO */ if (!IS_ENABLED(CONFIG_HAS_DMA) || (!bus->controller->dma_mask && -- cgit v1.2.3-54-g00ecf