Patch "x86/intel_rdt: Fix memory leak on mount failure" has been added to the 4.11-stable tree
Subsystems (2)
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.
Quoted 1 line
From
79298acc4ba097e9ab78644e3e38902d73547c92Mon Sep 17 00:00:00 2001
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(-)
arch/x86/kernel/cpu/intel_rdt_rdtgroup.c +3 -1
@@ -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