From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
Date: Sat, 22 Nov 2014 15:00:55 +0100
The debug_unregister() function performs also input parameter validation.
Thus the test around the call is not needed.
This issue was detected by using the Coccinelle software.
Signed-off-by: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
---
arch/s390/pci/pci_debug.c | 6 ++----
1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/arch/s390/pci/pci_debug.c b/arch/s390/pci/pci_debug.c
index eec598c..18403a7 100644
--- a/arch/s390/pci/pci_debug.c
+++ b/arch/s390/pci/pci_debug.c
@@ -158,10 +158,8 @@ int __init zpci_debug_init(void)
void zpci_debug_exit(void)
{
- if (pci_debug_msg_id)
- debug_unregister(pci_debug_msg_id);
- if (pci_debug_err_id)
- debug_unregister(pci_debug_err_id);
+ debug_unregister(pci_debug_msg_id);
+ debug_unregister(pci_debug_err_id);
debugfs_remove(debugfs_root);
}
--
2.1.3
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