linux-kernel - [PATCH 03/14] pstore/ram_core: Do not reset restored zone's position and size

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Date:	Fri, 18 May 2012 15:24:27 -0700
From:	Anton Vorontsov <anton.vorontsov@...aro.org>
To:	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Kees Cook <keescook@...omium.org>,
	Colin Cross <ccross@...roid.com>,
	Tony Luck <tony.luck@...el.com>
Cc:	Arnd Bergmann <arnd@...db.de>,
	John Stultz <john.stultz@...aro.org>,
	Shuah Khan <shuahkhan@...il.com>, arve@...roid.com,
	Rebecca Schultz Zavin <rebecca@...roid.com>,
	Jesper Juhl <jj@...osbits.net>,
	Randy Dunlap <rdunlap@...otime.net>,
	Stephen Boyd <sboyd@...eaurora.org>,
	Thomas Meyer <thomas@...3r.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Marco Stornelli <marco.stornelli@...il.com>,
	WANG Cong <xiyou.wangcong@...il.com>,
	linux-kernel@...r.kernel.org, devel@...verdev.osuosl.org,
	linaro-kernel@...ts.linaro.org, patches@...aro.org,
	kernel-team@...roid.com
Subject: [PATCH 03/14] pstore/ram_core: Do not reset restored zone's position
 and size

Otherwise, the files will survive just one reboot, and on a subsequent
boot they will disappear.

Signed-off-by: Anton Vorontsov <anton.vorontsov@...aro.org>
---
 fs/pstore/ram_core.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/pstore/ram_core.c b/fs/pstore/ram_core.c
index 849a542..dff5127 100644
--- a/fs/pstore/ram_core.c
+++ b/fs/pstore/ram_core.c
@@ -422,6 +422,7 @@ static int __init persistent_ram_post_init(struct persistent_ram_zone *prz, bool
 				" size %zu, start %zu\n",
 			       buffer_size(prz), buffer_start(prz));
 			persistent_ram_save_old(prz);
+			return 0;
 		}
 	} else {
 		pr_info("persistent_ram: no valid data in buffer"
-- 
1.7.9.2

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