Commit 2854cd34 authored May 06, 2019 by Dan Carpenter Committed by Takashi Iwai May 06, 2019

ALSA: synth: emux: soundfont.c: divide by zero in calc_gus_envelope_time()



This function is called from load_guspatch() and the rate is specified
by the user.  If they accidentally selected zero then it would crash the
kernel.  I've just changed the zero to a one.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

parent 17b89c80

sound/synth/emux/soundfont.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -856,6 +856,8 @@ calc_gus_envelope_time(int rate, int start, int end)
		int r, p, t;
		r = (3 - ((rate >> 6) & 3)) * 3;
		p = rate & 0x3f;
		if (!p)
		p = 1;
		t = end - start;
		if (t < 0) t = -t;
		if (13 > r)