Dinghao Liu e4befc121d usb: musb: Fix runtime PM imbalance on error ...

When copy_from_user() returns an error code, there
is a runtime PM usage counter imbalance.

Fix this by moving copy_from_user() to the beginning
of this function.

Fixes: 7b6c1b4c0e ("usb: musb: fix runtime PM in debugfs")

Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
Cc: stable@vger.kernel.org
Signed-off-by: Bin Liu <b-liu@ti.com>
Link: https://lore.kernel.org/r/20200525025049.3400-7-b-liu@ti.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2020-05-25 13:36:31 +02:00

..

am35x.c

usb: musb: remove references to default_a of struct usb_otg

2018-05-22 12:03:25 +02:00

cppi_dma.c

USB: add SPDX identifiers to all remaining files in drivers/usb/

2017-11-04 11:48:02 +01:00

cppi_dma.h

License cleanup: add SPDX GPL-2.0 license identifier to files with no license

2017-11-02 11:10:55 +01:00

da8xx.c

usb: musb: remove an unused variable

2018-05-31 12:44:39 +02:00

davinci.c

usb: musb: davinci: Convert to use GPIO descriptor

2020-01-15 14:47:00 +01:00

davinci.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

jz4740.c

usb: musb: jz4740: Prevent lockup when CONFIG_SMP is set

2020-05-25 13:36:30 +02:00

Kconfig

usb: musb: jz4740: Unconditionally depend on devicetree

2020-03-17 20:03:27 +01:00

Makefile

usb: musb: remove dummy driver musb_am335x.c

2020-01-15 14:47:00 +01:00

mediatek.c

usb: musb: mediatek: add reset FADDR to zero in reset interrupt handle

2020-05-25 13:36:30 +02:00

musb_core.c

usb: musb: use true for 'use_dma'

2020-05-25 13:36:30 +02:00

musb_core.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_cppi41.c

usb: musb: remove duplicated quirks flag

2018-05-22 12:03:24 +02:00

musb_debug.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_debugfs.c

usb: musb: Fix runtime PM imbalance on error

2020-05-25 13:36:31 +02:00

musb_dma.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_dsps.c

usb: musb: dsps: create debugfs directory under usb root

2019-11-14 11:16:35 +08:00

musb_gadget_ep0.c

usb: musb: gadget: misplaced out of bounds check

2018-03-29 18:37:28 +02:00

musb_gadget.c

usb: Spelling s/enpoint/endpoint/

2019-11-04 15:53:00 +01:00

musb_gadget.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_host.c

usb: musb: return -ESHUTDOWN in urb when three-strikes error happened

2020-05-25 13:36:30 +02:00

musb_host.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_io.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_regs.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_trace.c

USB: musb: Remove redundant license text

2017-11-07 15:45:01 +01:00

musb_trace.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

musb_virthub.c

usb: musb: remove duplicated port mode enum

2018-05-22 12:03:25 +02:00

musbhsdma.c

usb: musb: Add musb_clearb/w() interface

2020-01-15 14:46:59 +01:00

omap2430.c

usb: musb: Get rid of omap2430_musb_set_vbus()

2020-01-15 14:46:56 +01:00

omap2430.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

sunxi.c

usb: musb: Add musb_clearb/w() interface

2020-01-15 14:46:59 +01:00

tusb6010_omap.c

USB: musb: Remove redundant license text

2017-11-07 15:45:01 +01:00

tusb6010.c

usb: musb: tusb6010: fix a possible missing data type replacement

2020-03-17 20:03:28 +01:00

tusb6010.h

USB: musb: Use the correct style for SPDX License Identifier

2020-04-16 14:32:47 +02:00

ux500_dma.c

usb: musb/ux500: Use dma_request_chan() instead dma_request_slave_channel()

2020-01-15 14:46:58 +01:00

ux500.c

usb: musb: remove references to default_a of struct usb_otg

2018-05-22 12:03:25 +02:00