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| author | Vikas Shivappa <vikas.shivappa@linux.intel.com> | 2017-06-26 21:55:49 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-06-30 22:20:00 +0300 |
| commit | 79298acc4ba097e9ab78644e3e38902d73547c92 (patch) | |
| tree | a8e0f66c760d12d29e5ed4e920c1e738bf96bc9c | |
| parent | 8eabf42ae5237e6b699aeac687b5b629e3537c8d (diff) | |
| download | linux-79298acc4ba097e9ab78644e3e38902d73547c92.tar.xz | |
x86/intel_rdt: Fix memory leak on mount failure
If mount fails, the kn_info directory is not freed causing memory leak.
Add the missing error handling path.
Fixes: 4e978d06dedb ("x86/intel_rdt: Add "info" files to resctrl file system")
Signed-off-by: Vikas Shivappa <vikas.shivappa@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: ravi.v.shankar@intel.com
Cc: tony.luck@intel.com
Cc: fenghua.yu@intel.com
Cc: peterz@infradead.org
Cc: vikas.shivappa@intel.com
Cc: andi.kleen@intel.com
Cc: stable@vger.kernel.org
Link: http://lkml.kernel.org/r/1498503368-20173-3-git-send-email-vikas.shivappa@linux.intel.com
| -rw-r--r-- | arch/x86/kernel/cpu/intel_rdt_rdtgroup.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c b/arch/x86/kernel/cpu/intel_rdt_rdtgroup.c index f5af0cc7eb0d..9257bd9dc664 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: |