[PATCH] PM / Hibernate: Restore old swap signature to avoid user space breakage

[Rafael J. Wysocki]

From: Rafael J. Wysocki <rjw@xxxxxxx>

Commit 3624eb0 (PM / Hibernate: Modify signature used to mark swap)
modified hibernate signature used to mark swap partitions containing
hibernation images, but that turns out to have caused problems in
libblkid on recent Ubuntu.  Restore the old signature to avoid those
problems.

Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx>
Reported-by: Dr. David Alan Gilbert <linux@xxxxxxxxxxx>
---
 kernel/power/swap.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Index: linux-2.6/kernel/power/swap.c
===================================================================
--- linux-2.6.orig/kernel/power/swap.c
+++ linux-2.6/kernel/power/swap.c
@@ -30,7 +30,7 @@
 
 #include "power.h"
 
-#define HIBERNATE_SIG	"LINHIB0001"
+#define HIBERNATE_SIG	"S1SUSPEND"
 
 /*
  *	The swap map is a data structure used for keeping track of each page
--
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