AuxXxilium/linux_dsm_epyc7002
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aca5b9ebd0
linux_dsm_epyc7002/drivers/usb/gadget
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Yoshihiro Shimoda aca5b9ebd0 usb: gadget: udc: renesas_usb3: Fix usb_gadget_giveback_request() calling 
According to the gadget.h, a "complete" function will always be called
with interrupts disabled. However, sometimes usb3_request_done() function
is called with interrupts enabled. So, this function should be held
by spin_lock_irqsave() to disable interruption. Also, this driver has
to call spin_unlock() to avoid spinlock recursion by this driver before
calling usb_gadget_giveback_request().

Reported-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Tested-by: Kazuya Mizuguchi <kazuya.mizuguchi.ks@renesas.com>
Fixes: 746bfe63bb ("usb: gadget: renesas_usb3: add support for Renesas USB3.0 peripheral controller")
Cc: <stable@vger.kernel.org> # v4.5+
Signed-off-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
2017-08-03 12:31:17 +03:00
..
function usb: gadget: f_uac2: endianness fixes. 2017-07-18 09:33:19 +03:00
legacy usb: changes for v4.13 merge window 2017-06-20 11:39:34 +08:00
udc usb: gadget: udc: renesas_usb3: Fix usb_gadget_giveback_request() calling 2017-08-03 12:31:17 +03:00
composite.c usb: changes for v4.13 merge window 2017-06-20 11:39:34 +08:00
config.c usb: Use (foo *) instead of (foo*). 2016-06-21 11:16:15 +03:00
configfs.c usb: gadget: configfs: use hexadecimal values and new line 2017-06-13 13:21:01 +03:00
configfs.h usb: gadget: OS descriptors: provide interface directory names 2014-06-19 10:06:48 -05:00
epautoconf.c usb: gadget: epautoconf: add usb_ep_autoconfig_release() function 2015-09-27 10:54:31 -05:00
functions.c
Kconfig usb: gadget: add f_uac1 variant based on a new u_audio api 2017-06-19 09:22:47 +03:00
Makefile usb: gadget: use $(srctree) instead of $(PWD) for includes 2014-08-29 15:53:46 -05:00
u_f.c usb: gadget: remove useless parameter in alloc_ep_req() 2016-08-25 12:13:19 +03:00
u_f.h usb: gadget: remove useless parameter in alloc_ep_req() 2016-08-25 12:13:19 +03:00
u_os_desc.h usb: gadget: u_os_desc: helper functions for accessing ext prop buffer 2014-07-10 08:36:51 -05:00
usbstring.c usb: delete non-required instances of include <linux/init.h> 2014-01-08 15:01:39 -08:00