crypto: ccp - clean up data structure

Change names of data structure instances. Add const
keyword where appropriate. Add error handling path.

Signed-off-by: Gary R Hook <[e-mail]>
Signed-off-by: Herbert Xu <[e-mail]>

drivers/crypto/ccp/ccp-dev-v3.c

···
 	.irqhandler = ccp_irq_handler,
 };
 
-struct ccp_vdata ccpv3 = {
+const struct ccp_vdata ccpv3 = {
 	.version = CCP_VERSION(3, 0),
 	.setup = NULL,
 	.perform = &ccp3_actions,

drivers/crypto/ccp/ccp-dev-v5.c

···
 	/* Register the DMA engine support */
 	ret = ccp_dmaengine_register(ccp);
 	if (ret)
-		goto e_kthread;
+		goto e_hwrng;
 
 	return 0;
+
+e_hwrng:
+	ccp_unregister_rng(ccp);
 
 e_kthread:
 	for (i = 0; i < ccp->cmd_q_count; i++)
···
 	.irqhandler = ccp5_irq_handler,
 };
 
-struct ccp_vdata ccpv5 = {
+const struct ccp_vdata ccpv5a = {
 	.version = CCP_VERSION(5, 0),
 	.setup = ccp5_config,
 	.perform = &ccp5_actions,
···
 	.offset = 0x0,
 };
 
-struct ccp_vdata ccpv5other = {
+const struct ccp_vdata ccpv5b = {
 	.version = CCP_VERSION(5, 0),
 	.setup = ccp5other_config,
 	.perform = &ccp5_actions,

drivers/crypto/ccp/ccp-dev.h

···
 	const unsigned int offset;
 };
 
-extern	struct ccp_vdata ccpv3;
-extern	struct ccp_vdata ccpv5;
-extern	struct ccp_vdata ccpv5other;
+extern const struct ccp_vdata ccpv3;
+extern const struct ccp_vdata ccpv5a;
+extern const struct ccp_vdata ccpv5b;
 
 #endif

drivers/crypto/ccp/ccp-pci.c

···
 
 static const struct pci_device_id ccp_pci_table[] = {
 	{ PCI_VDEVICE(AMD, 0x1537), (kernel_ulong_t)&ccpv3 },
-	{ PCI_VDEVICE(AMD, 0x1456), (kernel_ulong_t)&ccpv5 },
-	{ PCI_VDEVICE(AMD, 0x1468), (kernel_ulong_t)&ccpv5other },
+	{ PCI_VDEVICE(AMD, 0x1456), (kernel_ulong_t)&ccpv5a },
+	{ PCI_VDEVICE(AMD, 0x1468), (kernel_ulong_t)&ccpv5b },
 	/* Last entry must be zero */
 	{ 0, }
 };