efi: Remove redundant null pointer checks in efi_debugfs_init()

Since the debugfs_create_dir() never returns a null pointer, checking
the return value for a null pointer is redundant, and using IS_ERR is
safe enough.

Signed-off-by: Li Zetao <lizetao1@huawei.com>
Signed-off-by: Ard Biesheuvel <ardb@kernel.org>

diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index fdf07dd6f4591ddd4c32a80a2cf940e3d8b9d6f0..70490bf2697b165fac0548804b7bdf41749598a8 100644 (file)
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -349,7 +349,7 @@ static void __init efi_debugfs_init(void)
        int i = 0;
 
        efi_debugfs = debugfs_create_dir("efi", NULL);
-       if (IS_ERR_OR_NULL(efi_debugfs))
+       if (IS_ERR(efi_debugfs))
                return;
 
        for_each_efi_memory_desc(md) {