lkml.org 
[lkml]   [2017]   [Jun]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 02/21] x86/intel_rdt: Fix memory leak during mount
Date
If mount fails, the kn_info directory is not freed causing memory leak.
Fix the leak by freeing kn_info when mount fails.

Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
---
arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
index f5af0cc..9257bd9 100644
--- a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
+++ b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c
@@ -856,11 +856,13 @@ static struct dentry *rdt_mount(struct file_system_type *fs_type,
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:
--
1.9.1
\
 
 \ /
  Last update: 2017-06-26 20:56    [W:0.307 / U:0.008 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site