scsi: ufs: use devm_blk_ksm_init()

Use the new resource-managed variant of blk_ksm_init() so that the UFS
driver doesn't have to manually call blk_ksm_destroy().

Signed-off-by: Eric Biggers <[e-mail]>
Reviewed-by: Satya Tangirala <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Acked-by: Martin K. Petersen <[e-mail]>
Signed-off-by: Ulf Hansson <[e-mail]>

drivers/scsi/ufs/ufshcd-crypto.c

···
 	}
 
 	/* The actual number of configurations supported is (CFGC+1) */
-	err = blk_ksm_init(&hba->ksm,
-			   hba->crypto_capabilities.config_count + 1);
+	err = devm_blk_ksm_init(hba->dev, &hba->ksm,
+				hba->crypto_capabilities.config_count + 1);
 	if (err)
 		goto out_free_caps;
 
···
 {
 	if (hba->caps & UFSHCD_CAP_CRYPTO)
 		blk_ksm_register(&hba->ksm, q);
-}
-
-void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba)
-{
-	blk_ksm_destroy(&hba->ksm);
 }

drivers/scsi/ufs/ufshcd-crypto.h

···
 void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
 					    struct request_queue *q);
 
-void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba);
-
 #else /* CONFIG_SCSI_UFS_CRYPTO */
 
 static inline void ufshcd_prepare_lrbp_crypto(struct request *rq,
···
 
 static inline void ufshcd_crypto_setup_rq_keyslot_manager(struct ufs_hba *hba,
 						struct request_queue *q) { }
-
-static inline void ufshcd_crypto_destroy_keyslot_manager(struct ufs_hba *hba)
-{ }
 
 #endif /* CONFIG_SCSI_UFS_CRYPTO */
 

drivers/scsi/ufs/ufshcd.c

···
  */
 void ufshcd_dealloc_host(struct ufs_hba *hba)
 {
-	ufshcd_crypto_destroy_keyslot_manager(hba);
 	scsi_host_put(hba->host);
 }
 EXPORT_SYMBOL_GPL(ufshcd_dealloc_host);