[PATCH RFC v2 01/21] kasan: simplify quarantine_put call site

From: Andrey Konovalov <andreyknvl@google.com>
To: Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	Vincenzo Frascino <vincenzo.frascino@arm.com>,
	Dmitry Vyukov <dvyukov@google.com>,
	Alexander Potapenko <glider@google.com>,
	Marco Elver <elver@google.com>
Cc: Evgenii Stepanov <eugenis@google.com>,
	Kostya Serebryany <kcc@google.com>,
	Peter Collingbourne <pcc@google.com>,
	Serban Constantinescu <serbanc@google.com>,
	Andrey Ryabinin <aryabinin@virtuozzo.com>,
	Elena Petrova <lenaptr@google.com>,
	Branislav Rankov <Branislav.Rankov@arm.com>,
	Kevin Brodsky <kevin.brodsky@arm.com>,
	Andrew Morton <akpm@linux-foundation.org>,
	kasan-dev@googlegroups.com, linux-arm-kernel@lists.infradead.org,
	linux-mm@kvack.org, linux-kernel@vger.kernel.org,
	Andrey Konovalov <andreyknvl@google.com>
Subject: [PATCH RFC v2 01/21] kasan: simplify quarantine_put call site
Date: Thu, 22 Oct 2020 15:18:53 +0200	[thread overview]
Message-ID: <eaeb053a84e82badf1ade6cf7f9caf6737fcd229.1603372719.git.andreyknvl@google.com> (raw)
In-Reply-To: <cover.1603372719.git.andreyknvl@google.com>

Move get_free_info() call into quarantine_put() to simplify the call site.

No functional changes.

Signed-off-by: Andrey Konovalov <andreyknvl@google.com>
Link: https://linux-review.googlesource.com/id/Iab0f04e7ebf8d83247024b7190c67c3c34c7940f
---
 mm/kasan/common.c     | 2 +-
 mm/kasan/kasan.h      | 5 ++---
 mm/kasan/quarantine.c | 3 ++-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/mm/kasan/common.c b/mm/kasan/common.c
index 2bb0ef6da6bd..5712c66c11c1 100644
--- a/mm/kasan/common.c
+++ b/mm/kasan/common.c
@@ -308,7 +308,7 @@ static bool __kasan_slab_free(struct kmem_cache *cache, void *object,
 
 	kasan_set_free_info(cache, object, tag);
 
-	quarantine_put(get_free_info(cache, object), cache);
+	quarantine_put(cache, object);
 
 	return IS_ENABLED(CONFIG_KASAN_GENERIC);
 }
diff --git a/mm/kasan/kasan.h b/mm/kasan/kasan.h
index 6850308c798a..5c0116c70579 100644
--- a/mm/kasan/kasan.h
+++ b/mm/kasan/kasan.h
@@ -214,12 +214,11 @@ struct kasan_track *kasan_get_free_track(struct kmem_cache *cache,
 
 #if defined(CONFIG_KASAN_GENERIC) && \
 	(defined(CONFIG_SLAB) || defined(CONFIG_SLUB))
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache);
+void quarantine_put(struct kmem_cache *cache, void *object);
 void quarantine_reduce(void);
 void quarantine_remove_cache(struct kmem_cache *cache);
 #else
-static inline void quarantine_put(struct kasan_free_meta *info,
-				struct kmem_cache *cache) { }
+static inline void quarantine_put(struct kmem_cache *cache, void *object) { }
 static inline void quarantine_reduce(void) { }
 static inline void quarantine_remove_cache(struct kmem_cache *cache) { }
 #endif
diff --git a/mm/kasan/quarantine.c b/mm/kasan/quarantine.c
index 580ff5610fc1..a0792f0d6d0f 100644
--- a/mm/kasan/quarantine.c
+++ b/mm/kasan/quarantine.c
@@ -161,11 +161,12 @@ static void qlist_free_all(struct qlist_head *q, struct kmem_cache *cache)
 	qlist_init(q);
 }
 
-void quarantine_put(struct kasan_free_meta *info, struct kmem_cache *cache)
+void quarantine_put(struct kmem_cache *cache, void *object)
 {
 	unsigned long flags;
 	struct qlist_head *q;
 	struct qlist_head temp = QLIST_INIT;
+	struct kasan_free_meta *info = get_free_info(cache, object);
 
 	/*
 	 * Note: irq must be disabled until after we move the batch to the
-- 
2.29.0.rc1.297.gfa9743e501-goog

