tree 797e10c21d5194cfbb8d573a1827e84f568d3754
parent 91e8f0d6b347efe495aa9a0bdcb7b0cee1fb567e
author Angelo Compagnucci <angelo.compagnucci@gmail.com> 1598952738 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1600843570 +0200

iio: adc: mcp3422: fix locking on error path

[ Upstream commit a139ffa40f0c24b753838b8ef3dcf6ad10eb7854 ]

Reading from the chip should be unlocked on error path else the lock
could never being released.

Fixes: 07914c84ba30 ("iio: adc: Add driver for Microchip MCP3422/3/4 high resolution ADC")
Fixes: 3f1093d83d71 ("iio: adc: mcp3422: fix locking scope")
Acked-by: Jonathan Cameron <jonathan.cameron@huawei.com>
Signed-off-by: Angelo Compagnucci <angelo.compagnucci@gmail.com>
Link: https://lore.kernel.org/r/20200901093218.1500845-1-angelo.compagnucci@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>