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Commit dd95b814 authored by Pete Zaitcev's avatar Pete Zaitcev Committed by Greg Kroah-Hartman
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USB: usbfs: struct async is a fixed size structure 



The ISO descriptors are allocated separately in proc_submiturb for a fetch
from user mode, then tucked at the end of URB. This seems like a dead code.

Signed-off-by: default avatarPete Zaitcev <zaitcev@redhat.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent 79592b72

drivers/usb/core/devio.c

+2 −2
Original line number Original line Diff line number Diff line
@@ -210,9 +210,9 @@ static ssize_t usbdev_read(struct file *file, char __user *buf, size_t nbytes, l 




static struct async *alloc_async(unsigned int numisoframes)

static struct async *alloc_async(unsigned int numisoframes)

{

{

        unsigned int assize = sizeof(struct async) + numisoframes * sizeof(struct usb_iso_packet_descriptor);

	struct async *as;

        struct async *as = kzalloc(assize, GFP_KERNEL);





	as = kzalloc(sizeof(struct async), GFP_KERNEL);

        if (!as)

        if (!as)

                return NULL;

                return NULL;

	as->urb = usb_alloc_urb(numisoframes, GFP_KERNEL);

	as->urb = usb_alloc_urb(numisoframes, GFP_KERNEL);