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Commit b3390cea authored by Kulikov Vasiliy's avatar Kulikov Vasiliy Committed by Takashi Iwai
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sound: oss: midi_synth: check get_user() return value 



get_user() may fail, if so return -EFAULT.

Signed-off-by: default avatarKulikov Vasiliy <segooon@gmail.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 5157cc81

sound/oss/midi_synth.c

+3 −1
Original line number Diff line number Diff line
@@ -523,7 +523,9 @@ midi_synth_load_patch(int dev, int format, const char __user *addr, 
	{

		unsigned char   data;



		get_user(*(unsigned char *) &data, (unsigned char __user *) &((addr)[hdr_size + i]));

		if (get_user(data,

		    (unsigned char __user *)(addr + hdr_size + i)))

			return -EFAULT;



		eox_seen = (i > 0 && data & 0x80);	/* End of sysex */