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Message-Id: <1297724185-27452-3-git-send-email-leedom@chelsio.com>
Date: Mon, 14 Feb 2011 14:56:23 -0800
From: Casey Leedom <leedom@...lsio.com>
To: netdev@...r.kernel.org
Cc: davem@...emloft.net, Casey Leedom <leedom@...lsio.com>
Subject: [PATCH net-26 2/4] cxgb4vf: Behave properly when CONFIG_DEBUG_FS isn't defined ...
When CONFIG_DEBUG_FS we get "ERR_PTR()"s back from the debugfs routines
instead of NULL. Use the right predicates to check for this.
Signed-off-by: Casey Leedom <leedom@...lsio.com>
---
drivers/net/cxgb4vf/cxgb4vf_main.c | 16 ++++++++--------
1 files changed, 8 insertions(+), 8 deletions(-)
diff --git a/drivers/net/cxgb4vf/cxgb4vf_main.c b/drivers/net/cxgb4vf/cxgb4vf_main.c
index 072b64e..2be1088 100644
--- a/drivers/net/cxgb4vf/cxgb4vf_main.c
+++ b/drivers/net/cxgb4vf/cxgb4vf_main.c
@@ -2040,7 +2040,7 @@ static int __devinit setup_debugfs(struct adapter *adapter)
{
int i;
- BUG_ON(adapter->debugfs_root == NULL);
+ BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root));
/*
* Debugfs support is best effort.
@@ -2061,7 +2061,7 @@ static int __devinit setup_debugfs(struct adapter *adapter)
*/
static void cleanup_debugfs(struct adapter *adapter)
{
- BUG_ON(adapter->debugfs_root == NULL);
+ BUG_ON(IS_ERR_OR_NULL(adapter->debugfs_root));
/*
* Unlike our sister routine cleanup_proc(), we don't need to remove
@@ -2700,11 +2700,11 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev,
/*
* Set up our debugfs entries.
*/
- if (cxgb4vf_debugfs_root) {
+ if (!IS_ERR_OR_NULL(cxgb4vf_debugfs_root)) {
adapter->debugfs_root =
debugfs_create_dir(pci_name(pdev),
cxgb4vf_debugfs_root);
- if (adapter->debugfs_root == NULL)
+ if (IS_ERR_OR_NULL(adapter->debugfs_root))
dev_warn(&pdev->dev, "could not create debugfs"
" directory");
else
@@ -2759,7 +2759,7 @@ static int __devinit cxgb4vf_pci_probe(struct pci_dev *pdev,
*/
err_free_debugfs:
- if (adapter->debugfs_root) {
+ if (!IS_ERR_OR_NULL(adapter->debugfs_root)) {
cleanup_debugfs(adapter);
debugfs_remove_recursive(adapter->debugfs_root);
}
@@ -2828,7 +2828,7 @@ static void __devexit cxgb4vf_pci_remove(struct pci_dev *pdev)
/*
* Tear down our debugfs entries.
*/
- if (adapter->debugfs_root) {
+ if (!IS_ERR_OR_NULL(adapter->debugfs_root)) {
cleanup_debugfs(adapter);
debugfs_remove_recursive(adapter->debugfs_root);
}
@@ -2916,12 +2916,12 @@ static int __init cxgb4vf_module_init(void)
/* Debugfs support is optional, just warn if this fails */
cxgb4vf_debugfs_root = debugfs_create_dir(KBUILD_MODNAME, NULL);
- if (!cxgb4vf_debugfs_root)
+ if (IS_ERR_OR_NULL(cxgb4vf_debugfs_root))
printk(KERN_WARNING KBUILD_MODNAME ": could not create"
" debugfs entry, continuing\n");
ret = pci_register_driver(&cxgb4vf_driver);
- if (ret < 0)
+ if (ret < 0 && !IS_ERR_OR_NULL(cxgb4vf_debugfs_root))
debugfs_remove(cxgb4vf_debugfs_root);
return ret;
}
--
1.7.0.4
--
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