Yoshihiro Shimoda ea0efd687b usb: renesas_usbhs: getting residue from callback_result ... This driver assumed that dmaengine_tx_status() could return the residue even if the transfer was completed. However, this was not correct usage [1] and this caused to break getting the residue after the commit 24461d9792 ("dmaengine: virt-dma: Fix access after free in vchan_complete()") actually. So, this is possible to get wrong received size if the usb controller gets a short packet. For example, g_zero driver causes "bad OUT byte" errors. The usb-dmac driver will support the callback_result, so this driver can use it to get residue correctly. Note that even if the usb-dmac driver has not supported the callback_result yet, this patch doesn't cause any side-effects. [1] https://lore.kernel.org/dmaengine/20200616165550.GP2324254@vkoul-mobl/ Reported-by: Hien Dang <hien.dang.eb@renesas.com> Fixes: 24461d9792 ("dmaengine: virt-dma: Fix access after free in vchan_complete()") Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com> Link: https://lore.kernel.org/r/1592482277-19563-1-git-send-email-yoshihiro.shimoda.uh@renesas.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2020-06-24 17:14:44 +02:00
..
common.c	usb: renesas_usbhs: Switch to GPIO descriptor	2019-12-30 20:37:42 +01:00
common.h	usb: renesas_usbhs: Use the correct style for SPDX License Identifier	2020-04-23 15:28:14 +02:00
fifo.c	usb: renesas_usbhs: getting residue from callback_result	2020-06-24 17:14:44 +02:00
fifo.h	usb: renesas_usbhs: getting residue from callback_result	2020-06-24 17:14:44 +02:00
Kconfig	usb: remove redundant 'default n' from Kconfig-s	2019-05-21 10:06:22 +02:00
Makefile	usb: renesas_usbhs: Add support for RZ/A2	2019-05-21 10:25:59 +02:00
mod_gadget.c	Merge 5.4-rc6 into usb-next	2019-11-04 06:41:09 +01:00
mod_host.c	usb: add a HCD_DMA flag instead of guestimating DMA capabilities	2019-08-21 10:03:35 -07:00
mod.c	usb: renesas_usbhs: enable DVSE interrupt	2019-10-04 14:16:54 +02:00
mod.h	usb: renesas_usbhs: Use the correct style for SPDX License Identifier	2020-04-23 15:28:14 +02:00
pipe.c	usb: renesas_usbhs: gadget: Fix usb_ep_set_{halt,wedge}() behavior	2019-10-04 14:36:22 +02:00
pipe.h	usb: renesas_usbhs: Use the correct style for SPDX License Identifier	2020-04-23 15:28:14 +02:00
rcar2.c	phy: for 5.6	2020-01-17 07:52:26 +01:00
rcar2.h	usb: renesas_usbhs: Use the correct style for SPDX License Identifier	2020-04-23 15:28:14 +02:00
rcar3.c	usb: renesas_usbhs: Use renesas_usbhs_platform_info on of_device_id.data	2019-06-26 10:33:09 +08:00
rcar3.h	usb: renesas_usbhs: Use the correct style for SPDX License Identifier	2020-04-23 15:28:14 +02:00
rza2.c	phy: core: Add consumer device link support	2020-01-08 12:48:47 +05:30
rza.c	usb: renesas_usbhs: Use renesas_usbhs_platform_info on of_device_id.data	2019-06-26 10:33:09 +08:00
rza.h	usb: renesas_usbhs: Use the correct style for SPDX License Identifier	2020-04-23 15:28:14 +02:00