HID: cp2112: fix gpio-callback error handling

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

Fixes: 1ffb3c40ff ("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>

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Johan Hovold 2017-01-30 11:26:39 +01:00 • committed by Jiri Kosina

parent 7a7b5df84b

commit 8e9faa1546

1 changed files with 1 additions and 1 deletions

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drivers/hid/hid-cp2112.c

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