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(parent: d405184) | patch
Input: synaptics_usb - fix deadlock in autosuspend
authorMarcus Folkesson <marcus.folkesson@gmail.com>
Sat, 17 Mar 2018 17:49:46 +0000 (10:49 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Sat, 17 Mar 2018 18:05:18 +0000 (11:05 -0700)
commit76c55da7857fd5059d3ba877c6551e58aacdccff
tree64fa737a3a633e60a11682413d9ed1d8d33c36ddtree | snapshot
parentd4051841e0e5651f37f365af1e188f0cf9ff1a06commit | diff
Input: synaptics_usb - fix deadlock in autosuspend

usb_autopm_get_interface() that is called in synusb_open() does an
autoresume if the device is suspended.

input_dev->mutex used in synusb_resume() is in this case already
taken by the input subsystem and will cause a deadlock.

Signed-off-by: Marcus Folkesson <marcus.folkesson@gmail.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/mouse/synaptics_usb.c diff | blob | history
Linux Kernel Source Tree.