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-rw-r--r--sound/oss/midi_synth.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/oss/midi_synth.c b/sound/oss/midi_synth.c
index 3bc7104c5379..3c09374ea5bf 100644
--- a/sound/oss/midi_synth.c
+++ b/sound/oss/midi_synth.c
@@ -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 */