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crypto: inside-secure - Fix unused variable warning when CONFIG_PCI=n

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This patch fixes an unused variable warning from the compiler when the
driver is being compiled without PCI support in the kernel.

Fixes: 625f269a5a ("crypto: inside-secure - add support for...")
Signed-off-by: Pascal van Leeuwen <pvanleeuwen@verimatrix.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Pascal van Leeuwen 2019-09-13 11:04:40 +02:00 • committed by Herbert Xu
parent 5fc194ea6d
commit 212ef6f29e
1 changed files with 30 additions and 12 deletions
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34
drivers/crypto/inside-secure/safexcel.c
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@ -1789,32 +1789,50 @@ static struct pci_driver safexcel_pci_driver = {
}; };
#endif #endif
/* Unfortunately, we have to resort to global variables here */
#if IS_ENABLED(CONFIG_PCI)
int pcireg_rc = -EINVAL; /* Default safe value */
#endif
#if IS_ENABLED(CONFIG_OF)
int ofreg_rc = -EINVAL; /* Default safe value */
#endif
static int __init safexcel_init(void) static int __init safexcel_init(void)
{ {
int rc; #if IS_ENABLED(CONFIG_PCI)
/* Register PCI driver */
pcireg_rc = pci_register_driver(&safexcel_pci_driver);
#endif
#if IS_ENABLED(CONFIG_OF) #if IS_ENABLED(CONFIG_OF)
/* Register platform driver */ /* Register platform driver */
platform_driver_register(&crypto_safexcel); ofreg_rc = platform_driver_register(&crypto_safexcel);
#endif
#if IS_ENABLED(CONFIG_PCI) #if IS_ENABLED(CONFIG_PCI)
/* Register PCI driver */ /* Return success if either PCI or OF registered OK */
rc = pci_register_driver(&safexcel_pci_driver); return pcireg_rc ? ofreg_rc : 0;
#else
return ofreg_rc;
#endif
#else
#if IS_ENABLED(CONFIG_PCI)
return pcireg_rc;
#else
return -EINVAL;
#endif
#endif #endif
return 0;
} }
static void __exit safexcel_exit(void) static void __exit safexcel_exit(void)
{ {
#if IS_ENABLED(CONFIG_OF) #if IS_ENABLED(CONFIG_OF)
/* Unregister platform driver */ /* Unregister platform driver */
if (!ofreg_rc)
platform_driver_unregister(&crypto_safexcel); platform_driver_unregister(&crypto_safexcel);
#endif #endif
#if IS_ENABLED(CONFIG_PCI) #if IS_ENABLED(CONFIG_PCI)
/* Unregister PCI driver if successfully registered before */ /* Unregister PCI driver if successfully registered before */
if (!pcireg_rc)
pci_unregister_driver(&safexcel_pci_driver); pci_unregister_driver(&safexcel_pci_driver);
#endif #endif
} }