Re: [PATCH v2 2/2] tools: iio: print error message when buffer enable fails

From: Jonathan Cameron
Date: Sun Aug 02 2015 - 13:40:01 EST


On 24/07/15 19:23, Hartmut Knaack wrote:
> Irina Tirdea schrieb am 24.07.2015 um 15:28:
>> 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@xxxxxxxxx>
> Acked-by: Hartmut Knaack <knaack.h@xxxxxx>
Applied.

Thanks

Jonathan
>> ---
>> tools/iio/generic_buffer.c | 5 ++++-
>> 1 file changed, 4 insertions(+), 1 deletion(-)
>>
>> diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
>> index 32f389eb..9f7b85b 100644
>> --- a/tools/iio/generic_buffer.c
>> +++ b/tools/iio/generic_buffer.c
>> @@ -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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