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staging: speakup: make function ser_to_dev static

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The helper function ser_to_dev does not need to be in global scope, so
make it static.

Cleans up sparse warning:
"warning: symbol 'ser_to_dev' was not declared. Should it be static?"

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Okash Khawaja <okash.khawaja@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Colin Ian King 2017-06-28 14:13:51 +01:00 committed by Greg Kroah-Hartman
parent a9cbe2ad65
commit ce73724d4d
1 changed files with 1 additions and 1 deletions
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drivers/staging/speakup/spk_ttyio.c
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@ -21,7 +21,7 @@ struct spk_ldisc_data {
static struct spk_synth *spk_ttyio_synth; static struct spk_synth *spk_ttyio_synth;
static struct tty_struct *speakup_tty; static struct tty_struct *speakup_tty;
int ser_to_dev(int ser, dev_t *dev_no) static int ser_to_dev(int ser, dev_t *dev_no)
{ {
if (ser < 0 || ser > (255 - 64)) { if (ser < 0 || ser > (255 - 64)) {
pr_err("speakup: Invalid ser param. Must be between 0 and 191 inclusive.\n"); pr_err("speakup: Invalid ser param. Must be between 0 and 191 inclusive.\n");