swsusp: Fix userland interface

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Fix oops caused by 'cat /dev/snapshot', reported by Arkadiusz Miskiewicz,
and make it impossible to thaw tasks with the help of the swsusp userland
interface while there is a snapshot image ready to save.

Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Rafael J. Wysocki 2007-06-16 10:16:03 -07:00 • committed by Linus Torvalds

parent b1d93de3e4

commit 2f41dddbbd

1 changed files with 3 additions and 1 deletions

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kernel/power/user.c

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