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Commit 8eccf35a authored by Andreas Pape's avatar Andreas Pape Committed by Greg Kroah-Hartman
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media: stkwebcam: Bugfix for wrong return values



[ Upstream commit 3c28b913 ]

usb_control_msg returns in case of a successfully sent message the number
of sent bytes as a positive number. Don't use this value as a return value
for stk_camera_read_reg, as a non-zero return value is used as an error
condition in some cases when stk_camera_read_reg is called.

Signed-off-by: default avatarAndreas Pape <ap@ca-pape.de>
Reviewed-by: default avatarKieran Bingham <kieran.bingham@ideasonboard.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent 50e9fda8
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