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(parent: 7ee3b7e) | patch
iio: core: Return error for failed read_reg
authorMatt Fornero <matt.fornero@mathworks.com>
Tue, 5 Sep 2017 14:34:10 +0000 (16:34 +0200)
committerJonathan Cameron <Jonathan.Cameron@huawei.com>
Sun, 24 Sep 2017 15:58:32 +0000 (16:58 +0100)
commit3d62c78a6eb9a7d67bace9622b66ad51e81c5f9b
tree42f31a81b456cc4ef4958e3f108c3e9407c0e06etree | snapshot
parent7ee3b7ebcb74714df6d94c8f500f307e1ee5dda5commit | diff
iio: core: Return error for failed read_reg

If an IIO device returns an error code for a read access via debugfs, it
is currently ignored by the IIO core (other than emitting an error
message). Instead, return this error code to user space, so upper layers
can detect it correctly.

Signed-off-by: Matt Fornero <matt.fornero@mathworks.com>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Cc: <Stable@vger.kernel.org>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
drivers/iio/industrialio-core.c diff | blob | history
Domain: System / Kernel;