Merge "scsi: ufs: Fix IOCTL error checking for input buffer" (e278e9c5) · Commits · e / devices / android_kernel_oneplus_sm7250

drivers/scsi/ufs/ufshcd.c

+6 −5

Original line number	Diff line number	Diff line
		@@ -3,7 +3,7 @@
		*
		* This code is based on drivers/scsi/ufs/ufshcd.c
		* Copyright (C) 2011-2013 Samsung India Software Operations
		* Copyright (c) 2013-2020, The Linux Foundation. All rights reserved.
		* Copyright (c) 2013-2021, The Linux Foundation. All rights reserved.
		*
		* Authors:
		* Santosh Yaraganavi <santosh.sy@samsung.com>
		@@ -9510,13 +9510,14 @@ static int ufshcd_ioctl(struct scsi_device dev, int cmd, void __user buffer)
		int err = 0;

		BUG_ON(!hba);
		if (!buffer) {
		dev_err(hba->dev, "%s: User buffer is NULL!\n", __func__);
		return -EINVAL;
		}

		switch (cmd) {
		case UFS_IOCTL_QUERY:
		if (!buffer) {
		dev_err(hba->dev, "%s: User buffer is NULL!\n",
		__func__);
		return -EINVAL;
		}
		pm_runtime_get_sync(hba->dev);
		err = ufshcd_query_ioctl(hba, ufshcd_scsi_to_upiu_lun(dev->lun),
		buffer);