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>
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@ -364,8 +364,11 @@ int main(int argc, char **argv)
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/* Enable the buffer */
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ret = write_sysfs_int("enable", buf_dir_name, 1);
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if (ret < 0)
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if (ret < 0) {
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fprintf(stderr,
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"Failed to enable buffer: %s\n", strerror(-ret));
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goto error_free_buf_dir_name;
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}
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scan_size = size_from_channelarray(channels, num_channels);
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data = malloc(scan_size * buf_len);
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