RE: [PATCH 1/4] hamradio: Combine two seq_printf() calls into one in yam_seq_show()

From: David Laight
Date: Wed May 10 2017 - 04:48:31 EST


From: SF Markus Elfring
> Sent: 09 May 2017 15:22
> A bit of data was put into a sequence by two separate function calls.
> Print the same data by a single function call instead.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> ---
> drivers/net/hamradio/yam.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
> index b6891ada1d7b..542f1e511df1 100644
> --- a/drivers/net/hamradio/yam.c
> +++ b/drivers/net/hamradio/yam.c
> @@ -830,8 +830,7 @@ static int yam_seq_show(struct seq_file *seq, void *v)
> seq_printf(seq, " RxFrames %lu\n", dev->stats.rx_packets);
> seq_printf(seq, " TxInt %u\n", yp->nb_mdint);
> seq_printf(seq, " RxInt %u\n", yp->nb_rxint);
> - seq_printf(seq, " RxOver %lu\n", dev->stats.rx_fifo_errors);
> - seq_printf(seq, "\n");
> + seq_printf(seq, " RxOver %lu\n\n", dev->stats.rx_fifo_errors);
> return 0;

The code was consistently (and probably deliberately) using one seq_printf()
call for each line so that the source looks 'a bit like' the output.

These changes are all stupid.

David