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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-29 17:30:53 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-05-31 12:54:21 +0200
commit9fc6f2203f5def3c8798c695dae49ee441a8192c (patch)
tree8b1d8d6699463e50cdd48c43d4a95d9f67f2b993 /drivers/usb/host
parent63c4c0d8818fa2e48d546cd2c22659e6b59e8db5 (diff)
downloadop-kernel-dev-9fc6f2203f5def3c8798c695dae49ee441a8192c.zip
op-kernel-dev-9fc6f2203f5def3c8798c695dae49ee441a8192c.tar.gz
USB: isp116x-hcd: no need to check return value of debugfs_create functions
When calling debugfs functions, there is no need to ever check the return value. The function can work or not, but the code logic should never do something different based on this. Cc: Olav Kongas <ok@artecdesign.ee> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/isp116x-hcd.c17
1 files changed, 4 insertions, 13 deletions
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 4602ed8..74da136 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1198,14 +1198,11 @@ static int isp116x_debug_show(struct seq_file *s, void *unused)
}
DEFINE_SHOW_ATTRIBUTE(isp116x_debug);
-static int create_debug_file(struct isp116x *isp116x)
+static void create_debug_file(struct isp116x *isp116x)
{
isp116x->dentry = debugfs_create_file(hcd_name,
S_IRUGO, NULL, isp116x,
&isp116x_debug_fops);
- if (!isp116x->dentry)
- return -ENOMEM;
- return 0;
}
static void remove_debug_file(struct isp116x *isp116x)
@@ -1215,8 +1212,8 @@ static void remove_debug_file(struct isp116x *isp116x)
#else
-#define create_debug_file(d) 0
-#define remove_debug_file(d) do{}while(0)
+static inline void create_debug_file(struct isp116x *isp116x) { }
+static inline void remove_debug_file(struct isp116x *isp116x) { }
#endif /* CONFIG_DEBUG_FS */
@@ -1643,16 +1640,10 @@ static int isp116x_probe(struct platform_device *pdev)
device_wakeup_enable(hcd->self.controller);
- ret = create_debug_file(isp116x);
- if (ret) {
- ERR("Couldn't create debugfs entry\n");
- goto err7;
- }
+ create_debug_file(isp116x);
return 0;
- err7:
- usb_remove_hcd(hcd);
err6:
usb_put_hcd(hcd);
err5:
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