Commit e7231491 authored Jul 24, 2015 by Irina Tirdea Committed by Jonathan Cameron Aug 02, 2015

tools: iio: print error message when buffer enable fails



Running generic_buffer without enabling any channel of the
sensor will fail without printing any error message.

Add an error message that indicates buffer enable failed.

Signed-off-by: Irina Tirdea <irina.tirdea@intel.com>
Acked-by: Hartmut Knaack <knaack.h@gmx.de>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

parent ae067cb6

tools/iio/generic_buffer.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -364,8 +364,11 @@ int main(int argc, char **argv)

		/* Enable the buffer */
		ret = write_sysfs_int("enable", buf_dir_name, 1);
		if (ret < 0)
		if (ret < 0) {
		fprintf(stderr,
		"Failed to enable buffer: %s\n", strerror(-ret));
		goto error_free_buf_dir_name;
		}

		scan_size = size_from_channelarray(channels, num_channels);
		data = malloc(scan_size * buf_len);

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