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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-01-22 15:35:42 +0100
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2019-06-03 15:49:07 +0200
commitad09137631e6e5acfaf288f3ba3f4b3a9f855d16 (patch)
tree68acfae728ec345b19addcc39b83a23df6be3ce5 /arch/x86/xen/p2m.c
parent2d146b924ec3c0873f06308d149684dc1105d9a3 (diff)
downloadlinux-ad09137631e6e5acfaf288f3ba3f4b3a9f855d16.tar.gz
x86: xen: 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: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Stefano Stabellini <sstabellini@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: <x86@kernel.org>
Cc: <xen-devel@lists.xenproject.org>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/x86/xen/p2m.c')
-rw-r--r--arch/x86/xen/p2m.c3
1 files changed, 0 insertions, 3 deletions
diff --git a/arch/x86/xen/p2m.c b/arch/x86/xen/p2m.c
index 95ce9b5be411..0acba2c712ab 100644
--- a/arch/x86/xen/p2m.c
+++ b/arch/x86/xen/p2m.c
@@ -817,9 +817,6 @@ static int __init xen_p2m_debugfs(void)
 {
 	struct dentry *d_xen = xen_init_debugfs();
 
-	if (d_xen == NULL)
-		return -ENOMEM;
-
 	d_mmu_debug = debugfs_create_dir("mmu", d_xen);
 
 	debugfs_create_file("p2m", 0600, d_mmu_debug, NULL, &p2m_dump_fops);