linux-kernel - [PATCH] percpu_counter: Remove debug_object

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Message-Id: <1523612103-15071-1-git-send-email-gkohli@codeaurora.org>
Date:   Fri, 13 Apr 2018 15:05:03 +0530
From:   Gaurav Kohli <gkohli@...eaurora.org>
To:     tj@...nel.org, gregkh@...uxfoundation.org, nborisov@...e.com,
        akpm@...ux-foundation.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Gaurav Kohli <gkohli@...eaurora.org>
Subject: [PATCH] percpu_counter: Remove debug_object_free call twice

During percpu_counter destroy, debug_object_free is calling
twice which may create race. So removing once instance of call
from debug_percpu_counter_deactivate.

Signed-off-by: Gaurav Kohli <gkohli@...eaurora.org>

diff --git a/lib/percpu_counter.c b/lib/percpu_counter.c
index c72577e..68ad030 100644
--- a/lib/percpu_counter.c
+++ b/lib/percpu_counter.c
@@ -48,7 +48,6 @@ static inline void debug_percpu_counter_activate(struct percpu_counter *fbc)
 static inline void debug_percpu_counter_deactivate(struct percpu_counter *fbc)
 {
 	debug_object_deactivate(fbc, &percpu_counter_debug_descr);
-	debug_object_free(fbc, &percpu_counter_debug_descr);
 }
 
 #else	/* CONFIG_DEBUG_OBJECTS_PERCPU_COUNTER */
-- 
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