Patch "x86/intel_rdt: Fix memory leak on mount failure" has been added to the 4.11-stable tree

This is a note to let you know that I've just added the patch titled

x86/intel_rdt: Fix memory leak on mount failure

to the 4.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
x86-intel_rdt-fix-memory-leak-on-mount-failure.patch
and it can be found in the queue-4.11 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Vikas Shivappa <[email protected]>
Date: Mon, 26 Jun 2017 11:55:49 -0700
Subject: x86/intel_rdt: Fix memory leak on mount failure

From: Vikas Shivappa <[email protected]>

commit 79298acc4ba097e9ab78644e3e38902d73547c92 upstream.

If mount fails, the kn_info directory is not freed causing memory leak.

Add the missing error handling path.

---
 arch/x86/kernel/cpu/intel_rdt_rdtgroup.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

@@ -767,11 +767,13 @@ static struct dentry *rdt_mount(struct f
 	dentry = kernfs_mount(fs_type, flags, rdt_root,
 			      RDTGROUP_SUPER_MAGIC, NULL);
 	if (IS_ERR(dentry))
-		goto out_cdp;
+		goto out_destroy;
 
 	static_branch_enable(&rdt_enable_key);
 	goto out;
 
+out_destroy:
+	kernfs_remove(kn_info);
 out_cdp:
 	cdp_disable();
 out:

Patches currently in stable-queue which might be from [email protected] are

queue-4.11/x86-intel_rdt-fix-memory-leak-on-mount-failure.patch