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tools: iio: print error message when buffer enable fails

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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>
This commit is contained in:
Irina Tirdea 2015-07-24 16:28:06 +03:00 committed by Jonathan Cameron
parent ae067cb68d
commit e7231491ce
1 changed files with 4 additions and 1 deletions
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5
tools/iio/generic_buffer.c
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@ -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);