linux-kernel - [PATCH] powerpc: Remove double free

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Date:   Wed, 15 May 2019 19:07:50 +1000
From:   "Tobin C. Harding" <tobin@...nel.org>
To:     Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        Paul Mackerras <paulus@...ba.org>,
        Michael Ellerman <mpe@...erman.id.au>
Cc:     "Tobin C. Harding" <tobin@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linuxppc-dev@...ts.ozlabs.org, linux-kernel@...r.kernel.org
Subject: [PATCH] powerpc: Remove double free

kfree() after kobject_put().  Who ever wrote this was on crack.

Fixes: 7e8039795a80 ("powerpc/cacheinfo: Fix kobject memleak")
Signed-off-by: Tobin C. Harding <tobin@...nel.org>
---

FTR

git log --pretty=format:"%h%x09%an%x09%ad%x09%s" | grep 7e8039795a80
7e8039795a80	Tobin C. Harding	Tue Apr 30 11:09:23 2019 +1000	powerpc/cacheinfo: Fix kobject memleak

 arch/powerpc/kernel/cacheinfo.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/arch/powerpc/kernel/cacheinfo.c b/arch/powerpc/kernel/cacheinfo.c
index f2ed3ef4b129..862e2890bd3d 100644
--- a/arch/powerpc/kernel/cacheinfo.c
+++ b/arch/powerpc/kernel/cacheinfo.c
@@ -767,7 +767,6 @@ static void cacheinfo_create_index_dir(struct cache *cache, int index,
 				  cache_dir->kobj, "index%d", index);
 	if (rc) {
 		kobject_put(&index_dir->kobj);
-		kfree(index_dir);
 		return;
 	}
 
-- 
2.21.0