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/Linux-v4.19/drivers/usb/core/
Ddevio.c1432 struct usbdevfs_iso_packet_desc *isopkt = NULL; in proc_do_submiturb() local
1559 isopkt = memdup_user(iso_frame_desc, isofrmlen); in proc_do_submiturb()
1560 if (IS_ERR(isopkt)) { in proc_do_submiturb()
1561 ret = PTR_ERR(isopkt); in proc_do_submiturb()
1562 isopkt = NULL; in proc_do_submiturb()
1572 if (isopkt[u].length > 49152) { in proc_do_submiturb()
1576 totlen += isopkt[u].length; in proc_do_submiturb()
1726 as->urb->iso_frame_desc[u].length = isopkt[u].length; in proc_do_submiturb()
1727 totlen += isopkt[u].length; in proc_do_submiturb()
1729 kfree(isopkt); in proc_do_submiturb()
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