x86/RAS/mce_amd_inj: Remove debugfs dir recursively on exit

Simplify exit_mce_inject() by using debugfs_remove_recursive() and do
away with the noodling over the dentry elements.

Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/20160926083152.30848-3-bp@alien8.de
Signed-off-by: Ingo Molnar <mingo@kernel.org>

1 files changed, 2 insertions, 6 deletions

diff --git a/arch/x86/ras/mce_amd_inj.c b/arch/x86/ras/mce_amd_inj.c
index 20b227f63407..1ac76479c266 100644
--- a/arch/x86/ras/mce_amd_inj.c
+++ b/arch/x86/ras/mce_amd_inj.c
@@ -475,15 +475,11 @@ err_dfs_add:
 
 static void __exit exit_mce_inject(void)
 {
-        int i;
 
-        for (i = 0; i < ARRAY_SIZE(dfs_fls); i++)
-                debugfs_remove(dfs_fls[i].d);
+        debugfs_remove_recursive(dfs_inj);
+        dfs_inj = NULL;
 
         memset(&dfs_fls, 0, sizeof(dfs_fls));
-
-        debugfs_remove(dfs_inj);
-        dfs_inj = NULL;
 }
 module_init(init_mce_inject);
 module_exit(exit_mce_inject);