EDAC: Delete unnecessary check before calling pci_dev_put()

The pci_dev_put() function tests whether its argument is NULL and then
returns immediately. Thus the test before the call is not needed.

This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Link: http://lkml.kernel.org/r/546CB20D.4070808@users.sourceforge.net
[ Boris: commit message. ]
Signed-off-by: Borislav Petkov <bp@suse.de>

drivers/edac/i3000_edac.c

@@ -542,7 +542,6 @@ static int __init i3000_init(void)
 	pci_unregister_driver(&i3000_driver);
 
 fail0:
-	if (mci_pdev)
 	pci_dev_put(mci_pdev);
 
 	return pci_rc;

drivers/edac/i3200_edac.c

@@ -523,7 +523,6 @@ static int __init i3200_init(void)
 	pci_unregister_driver(&i3200_driver);
 
 fail0:
-	if (mci_pdev)
 	pci_dev_put(mci_pdev);
 
 	return pci_rc;

drivers/edac/i82443bxgx_edac.c

@@ -458,7 +458,6 @@ static void __exit i82443bxgx_edacmc_exit(void)
 	if (!i82443bxgx_registered)
 		i82443bxgx_edacmc_remove_one(mci_pdev);
 
-	if (mci_pdev)
 	pci_dev_put(mci_pdev);
 }
 

drivers/edac/x38_edac.c

@@ -500,7 +500,6 @@ static int __init x38_init(void)
 	pci_unregister_driver(&x38_driver);
 
 fail0:
-	if (mci_pdev)
 	pci_dev_put(mci_pdev);
 
 	return pci_rc;