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authorThomas Gleixner <tglx@linutronix.de>2016-01-12 11:01:12 +0100
committerThomas Gleixner <tglx@linutronix.de>2016-01-12 11:01:12 +0100
commit1f16f116b01c110db20ab808562c8b8bc3ee3d6e (patch)
tree44db563f64cf5f8d62af8f99a61e2b248c44ea3a /drivers/base/memory.c
parent03724ac3d48f8f0e3caf1d30fa134f8fd96c94e2 (diff)
parentf9eccf24615672896dc13251410c3f2f33a14f95 (diff)
downloadlwn-1f16f116b01c110db20ab808562c8b8bc3ee3d6e.tar.gz
lwn-1f16f116b01c110db20ab808562c8b8bc3ee3d6e.zip
Merge branches 'clockevents/4.4-fixes' and 'clockevents/4.5-fixes' of http://git.linaro.org/people/daniel.lezcano/linux into timers/urgent
Pull in fixes from Daniel Lezcano: - Fix the vt8500 timer leading to a system lock up when dealing with too small delta (Roman Volkov) - Select the CLKSRC_MMIO when the fsl_ftm_timer is enabled with COMPILE_TEST (Daniel Lezcano) - Prevent to compile timers using the 'iomem' API when the architecture has not HAS_IOMEM set (Richard Weinberger)
Diffstat (limited to 'drivers/base/memory.c')
-rw-r--r--drivers/base/memory.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 2804aed3f416..25425d3f2575 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -303,6 +303,10 @@ static int memory_subsys_offline(struct device *dev)
if (mem->state == MEM_OFFLINE)
return 0;
+ /* Can't offline block with non-present sections */
+ if (mem->section_count != sections_per_block)
+ return -EINVAL;
+
return memory_block_change_state(mem, MEM_OFFLINE, MEM_ONLINE);
}