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Commit 37f1e984 authored by Eugene Teo's avatar Eugene Teo Committed by Linus Torvalds
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[PATCH] Fix sequencer missing negative bound check 



'int dev' came out of an 'unsigned char *' - as such, it will not get
a negative value. Thanks Valdis.

Signed-off-by: default avatarEugene Teo <eugene.teo@eugeneteo.net>
Cc: Jaroslav Kysela <perex@suse.cz>
Acked-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 1ad3dcc0

sound/oss/sequencer.c

+2 −2
Original line number Diff line number Diff line
@@ -709,11 +709,11 @@ static void seq_local_event(unsigned char *event_rec) 


static void seq_sysex_message(unsigned char *event_rec)

{

	int dev = event_rec[1];

	unsigned int dev = event_rec[1];

	int i, l = 0;

	unsigned char  *buf = &event_rec[2];



	if ((int) dev > max_synthdev)

	if (dev > max_synthdev)

		return;

	if (!(synth_open_mask & (1 << dev)))

		return;