From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-ob0-f182.google.com (mail-ob0-f182.google.com [209.85.214.182]) by kanga.kvack.org (Postfix) with ESMTP id 2E2396B0005 for ; Tue, 16 Feb 2016 10:37:48 -0500 (EST) Received: by mail-ob0-f182.google.com with SMTP id gc3so162443791obb.3 for ; Tue, 16 Feb 2016 07:37:48 -0800 (PST) Received: from g4t3427.houston.hp.com (g4t3427.houston.hp.com. [15.201.208.55]) by mx.google.com with ESMTPS id x185si24399559oix.117.2016.02.16.07.37.29 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Tue, 16 Feb 2016 07:37:29 -0800 (PST) From: Toshi Kani Subject: [PATCH] devm_memremap_release: fix memremap'd addr handling Date: Tue, 16 Feb 2016 09:30:27 -0700 Message-Id: <1455640227-21459-1-git-send-email-toshi.kani@hpe.com> Sender: owner-linux-mm@kvack.org List-ID: To: dan.j.williams@intel.com, akpm@linux-foundation.org Cc: linux-nvdimm@lists.01.org, linux-mm@kvack.org, linux-kernel@vger.kernel.org, Toshi Kani The pmem driver calls devm_memremap() to map a persistent memory range. When the pmem driver is unloaded, this memremap'd range is not released. Fix devm_memremap_release() to handle a given memremap'd address properly. Signed-off-by: Toshi Kani Cc: Dan Williams Cc: Andrew Morton --- kernel/memremap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/kernel/memremap.c b/kernel/memremap.c index 2c468de..7a1b5c3 100644 --- a/kernel/memremap.c +++ b/kernel/memremap.c @@ -114,7 +114,7 @@ EXPORT_SYMBOL(memunmap); static void devm_memremap_release(struct device *dev, void *res) { - memunmap(res); + memunmap(*(void **)res); } static int devm_memremap_match(struct device *dev, void *res, void *match_data) -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@kvack.org. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: email@kvack.org