scsi: ufs: pltfrm: Dellocate HBA during ufshcd_pltfrm_remove()

BugLink: https://bugs.launchpad.net/bugs/2102118

[ Upstream commit 897df60 ]

This will ensure that the scsi host is cleaned up properly using
scsi_host_dev_release(). Otherwise, it may lead to memory leaks.

Cc: stable@vger.kernel.org # 4.4
Fixes: 03b1781 ("[SCSI] ufs: Add Platform glue driver for ufshcd")
Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Link: https://lore.kernel.org/r/20241111-ufs_bug_fix-v1-5-45ad8b62f02e@linaro.org
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
CVE-2024-57872
Signed-off-by: Koichiro Den <koichiro.den@canonical.com>
Signed-off-by: Stefan Bader <stefan.bader@canonical.com>

Author: Mani-Sadhasivam

drivers/ufs/host/ufshcd-pltfrm.c

@@ -538,6 +538,7 @@ void ufshcd_pltfrm_remove(struct platform_device *pdev)
 
 	pm_runtime_get_sync(&pdev->dev);
 	ufshcd_remove(hba);
+	ufshcd_dealloc_host(hba);
 	pm_runtime_disable(&pdev->dev);
 	pm_runtime_put_noidle(&pdev->dev);
 }