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HID: cp2112: fix gpio-callback error handling
authorJohan Hovold <johan@kernel.org>
Mon, 30 Jan 2017 10:26:39 +0000 (11:26 +0100)
committerJiri Kosina <jkosina@suse.cz>
Tue, 31 Jan 2017 11:59:33 +0000 (12:59 +0100)
commit8e9faa15469ed7c7467423db4c62aeed3ff4cae3
treec02e82adbed28ab857971022fca14ef7ee375b65tree | snapshot
parent7a7b5df84b6b4e5d599c7289526eed96541a0654commit | diff
HID: cp2112: fix gpio-callback error handling

In case of a zero-length report, the gpio direction_input callback would
currently return success instead of an errno.

Fixes: 1ffb3c40ffb5 ("HID: cp2112: make transfer buffers DMA capable")
Cc: stable <stable@vger.kernel.org> # 4.9
Signed-off-by: Johan Hovold <johan@kernel.org>
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
drivers/hid/hid-cp2112.c diff | blob | history
Beck SC1x5 Kernel