linux-kernel - [PATCH mm 14/22] kasan: merge __kasan_report into kasan

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Date:   Wed,  2 Mar 2022 17:36:34 +0100
From:   andrey.konovalov@...ux.dev
To:     Marco Elver <elver@...gle.com>,
        Alexander Potapenko <glider@...gle.com>
Cc:     Andrey Konovalov <andreyknvl@...il.com>,
        Dmitry Vyukov <dvyukov@...gle.com>,
        Andrey Ryabinin <ryabinin.a.a@...il.com>,
        kasan-dev@...glegroups.com,
        Andrew Morton <akpm@...ux-foundation.org>, linux-mm@...ck.org,
        linux-kernel@...r.kernel.org,
        Andrey Konovalov <andreyknvl@...gle.com>
Subject: [PATCH mm 14/22] kasan: merge __kasan_report into kasan_report

From: Andrey Konovalov <andreyknvl@...gle.com>

Merge __kasan_report() into kasan_report(). The code is simple enough
to be readable without the __kasan_report() helper.

Signed-off-by: Andrey Konovalov <andreyknvl@...gle.com>
---
 mm/kasan/report.c | 36 +++++++++++++++---------------------
 1 file changed, 15 insertions(+), 21 deletions(-)

diff --git a/mm/kasan/report.c b/mm/kasan/report.c
index 41c7966451e3..56d5ba235542 100644
--- a/mm/kasan/report.c
+++ b/mm/kasan/report.c
@@ -435,37 +435,31 @@ static void print_report(struct kasan_access_info *info)
 	}
 }
 
-static void __kasan_report(void *addr, size_t size, bool is_write,
-				unsigned long ip)
-{
-	struct kasan_access_info info;
-	unsigned long flags;
-
-	start_report(&flags, true);
-
-	info.access_addr = addr;
-	info.first_bad_addr = kasan_find_first_bad_addr(addr, size);
-	info.access_size = size;
-	info.is_write = is_write;
-	info.ip = ip;
-
-	print_report(&info);
-
-	end_report(&flags, addr);
-}
-
 bool kasan_report(unsigned long addr, size_t size, bool is_write,
 			unsigned long ip)
 {
-	unsigned long ua_flags = user_access_save();
 	bool ret = true;
+	void *ptr = (void *)addr;
+	unsigned long ua_flags = user_access_save();
+	unsigned long irq_flags;
+	struct kasan_access_info info;
 
 	if (unlikely(!report_enabled())) {
 		ret = false;
 		goto out;
 	}
 
-	__kasan_report((void *)addr, size, is_write, ip);
+	start_report(&irq_flags, true);
+
+	info.access_addr = ptr;
+	info.first_bad_addr = kasan_find_first_bad_addr(ptr, size);
+	info.access_size = size;
+	info.is_write = is_write;
+	info.ip = ip;
+
+	print_report(&info);
+
+	end_report(&irq_flags, ptr);
 
 out:
 	user_access_restore(ua_flags);
-- 
2.25.1