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Commit a1dc57e5 authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "ASoC: wcd9xxx: Fix unprotected userspace access"

parents 0d1922a0 809a8d87

sound/soc/codecs/wcdcal-hwdep.c

+2 −1
Original line number Diff line number Diff line
@@ -82,7 +82,8 @@ static int wcdcal_hwdep_ioctl_shared(struct snd_hwdep *hw, 
		return -EFAULT;

	}

	data = fw[fw_user.cal_type]->data;

	memcpy(data, fw_user.buffer, fw_user.size);

	if (copy_from_user(data, fw_user.buffer, fw_user.size))

		return -EFAULT;

	fw[fw_user.cal_type]->size = fw_user.size;

	mutex_lock(&fw_data->lock);

	set_bit(WCDCAL_RECIEVED, &fw_data->wcdcal_state[fw_user.cal_type]);