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 <[email protected]> Acked-by: Hartmut Knaack <[email protected]> > --- > 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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