[PATCH] EDAC: Deletion of unnecessary checks before the function call "pci_dev_put"

SF Markus Elfring
2015-02-02T18:26:05Z

From: Markus Elfring <elfring@users.sourceforge.net>
Date: Mon, 2 Feb 2015 18:26:34 +0100

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

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
---
drivers/edac/i82443bxgx_edac.c | 4 +---
drivers/edac/i82860_edac.c | 9 ++-------
drivers/edac/i82875p_edac.c | 4 +---
drivers/edac/i82975x_edac.c | 4 +---
4 files changed, 5 insertions(+), 16 deletions(-)

diff --git a/drivers/edac/i82443bxgx_edac.c b/drivers/edac/i82443bxgx_edac.c
index b4705d9..38d6406 100644
--- a/drivers/edac/i82443bxgx_edac.c
+++ b/drivers/edac/i82443bxgx_edac.c
@@ -445,9 +445,7 @@ fail1:
pci_unregister_driver(&i82443bxgx_edacmc_driver);

fail0:
- if (mci_pdev != NULL)
- pci_dev_put(mci_pdev);
-
+ pci_dev_put(mci_pdev);
return pci_rc;
}

diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index 4382343..ee1078c 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -343,20 +343,15 @@ fail1:
pci_unregister_driver(&i82860_driver);

fail0:
- if (mci_pdev != NULL)
- pci_dev_put(mci_pdev);
-
+ pci_dev_put(mci_pdev);
return pci_rc;
}

static void __exit i82860_exit(void)
{
edac_dbg(3, "\n");
-
pci_unregister_driver(&i82860_driver);
-
- if (mci_pdev != NULL)
- pci_dev_put(mci_pdev);
+ pci_dev_put(mci_pdev);
}

module_init(i82860_init);
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index 64b6832..c26a513 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -576,9 +576,7 @@ fail1:
pci_unregister_driver(&i82875p_driver);

fail0:
- if (mci_pdev != NULL)
- pci_dev_put(mci_pdev);
-
+ pci_dev_put(mci_pdev);
return pci_rc;
}

diff --git a/drivers/edac/i82975x_edac.c b/drivers/edac/i82975x_edac.c
index 10b1052..35ab66c 100644
--- a/drivers/edac/i82975x_edac.c
+++ b/drivers/edac/i82975x_edac.c
@@ -685,9 +685,7 @@ fail1:
pci_unregister_driver(&i82975x_driver);

fail0:
- if (mci_pdev != NULL)
- pci_dev_put(mci_pdev);
-
+ pci_dev_put(mci_pdev);
return pci_rc;
}

--
2.2.2