diff options
Diffstat (limited to 'drivers/isdn/mISDN/dsp_hwec.c')
| -rw-r--r-- | drivers/isdn/mISDN/dsp_hwec.c | 31 |
1 files changed, 8 insertions, 23 deletions
diff --git a/drivers/isdn/mISDN/dsp_hwec.c b/drivers/isdn/mISDN/dsp_hwec.c index a6e87076acc2..0cd216e28f00 100644 --- a/drivers/isdn/mISDN/dsp_hwec.c +++ b/drivers/isdn/mISDN/dsp_hwec.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0-or-later /* * dsp_hwec.c: * builtin mISDN dsp pipeline element for enabling the hw echocanceller @@ -5,24 +6,6 @@ * Copyright (C) 2007, Nadi Sarrar * * Nadi Sarrar <nadi@beronet.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the Free - * Software Foundation; either version 2 of the License, or (at your option) - * any later version. - * - * This program is distributed in the hope that it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program; if not, write to the Free Software Foundation, Inc., 59 - * Temple Place - Suite 330, Boston, MA 02111-1307, USA. - * - * The full GNU General Public License is included in this distribution in the - * file called LICENSE. - * */ #include <linux/kernel.h> @@ -68,14 +51,14 @@ void dsp_hwec_enable(struct dsp *dsp, const char *arg) goto _do; { - char _dup[len + 1]; - char *dup, *tok, *name, *val; + char *dup, *next, *tok, *name, *val; int tmp; - strcpy(_dup, arg); - dup = _dup; + dup = next = kstrdup(arg, GFP_ATOMIC); + if (!dup) + return; - while ((tok = strsep(&dup, ","))) { + while ((tok = strsep(&next, ","))) { if (!strlen(tok)) continue; name = strsep(&tok, "="); @@ -89,6 +72,8 @@ void dsp_hwec_enable(struct dsp *dsp, const char *arg) deftaps = tmp; } } + + kfree(dup); } _do: |