Add error handling to calls which can indicate a major problem by
returning an error code.
This also involves to change the type of dump_devices() from void to int.
Signed-off-by: NHartmut Knaack <knaack.h@gmx.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

This patch catches errors in string allocation in generic_buffer.c,
iio_event_monitor.c, iio_utils.c and lsiio.c.
Signed-off-by: NHartmut Knaack <knaack.h@gmx.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

In dump_channels() the DIR *dp was left open on exit. Close it and check
for errors.
Signed-off-by: NHartmut Knaack <knaack.h@gmx.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

This patch removes unused variables from lsiio.c in order
to get rid of the warnings regarding them.
Signed-off-by: NRoberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

This patch moves iio userspace applications out of staging, to tools/iio/
and adds a Makefile in order to compile them easily. It also adds tools/iio/
to MAINTAINERS file.
Signed-off-by: NRoberta Dobrescu <roberta.dobrescu@gmail.com>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>

The following patch fixes the following checkpatch.pl warning by adding
a check for sscanf return value.
WARNING: unchecked sscanf return value.
Signed-off-by: NHeena Sirwani <heenasirwani@gmail.com>
Acked-by: NDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This also has the nice effect of removing of a temporary variable from stack and
fixes the following checkpatch.pl warning:
WARNING: Missing blank line after declarations.
Signed-off-by: NHeena Sirwani <heenasirwani@gmail.com>
Acked-by: NDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

The following patch fixes the following checkpatch.pl warning by adding
a blank line after declarations.
WARNING: Missing blank line after declarations.
Signed-off-by: NHeena Sirwani <heenasirwani@gmail.com>
Acked-by: NDaniel Baluta <daniel.baluta@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Signed-off-by: NManuel Stahl <manuel.stahl@iis.fraunhofer.de>
Signed-off-by: NJonathan Cameron <jic23@kernel.org>