PM: Fix freezer compilation if PM_SLEEP is unset

Freezer fails to compile if with the following configuration
settings:

CONFIG_CGROUPS=y
CONFIG_CGROUP_FREEZER=y
CONFIG_MODULES=y
CONFIG_FREEZER=y
CONFIG_PM=y
CONFIG_PM_SLEEP=n

Fix this by making process.o compilation depend on CONFIG_FREEZER.

Reported-by: Cheng Renquan <crquan@gmail.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Pavel Machek <pavel@suse.cz>
Signed-off-by: Len Brown <len.brown@intel.com>

diff --git a/kernel/power/Makefile b/kernel/power/Makefile
index 597823b5b7003992714a8f784ed4f278fb9dd0c4..d7a10167a25b37d787418bfbee02e68ba4e28c55 100644 (file)
--- a/kernel/power/Makefile
+++ b/kernel/power/Makefile
@@ -4,7 +4,8 @@ EXTRA_CFLAGS    +=      -DDEBUG
 endif
 
 obj-y                          := main.o
-obj-$(CONFIG_PM_SLEEP)         += process.o console.o
+obj-$(CONFIG_PM_SLEEP)         += console.o
+obj-$(CONFIG_FREEZER)          += process.o
 obj-$(CONFIG_HIBERNATION)      += swsusp.o disk.o snapshot.o swap.o user.o
 
 obj-$(CONFIG_MAGIC_SYSRQ)      += poweroff.o