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authorDavid S. Miller <davem@davemloft.net>2019-10-19 22:51:25 -0700
committerDavid S. Miller <davem@davemloft.net>2019-10-20 10:43:00 -0700
commit2f184393e0c2d409c62262f57f2a57efdf9370b8 (patch)
tree25b96db2550014d7f888605abfabb67a7f40a5d3 /drivers/base/memory.c
parentebcd670d05d54ff8d17a1a51bba1ec1e4069d949 (diff)
parent531e93d11470aa2e14e6a3febef50d9bc7bab7a1 (diff)
downloadlinux-2f184393e0c2d409c62262f57f2a57efdf9370b8.tar.bz2
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Several cases of overlapping changes which were for the most part trivially resolvable. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/base/memory.c')
-rw-r--r--drivers/base/memory.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 6bea4f3f8040..55907c27075b 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -540,6 +540,9 @@ static ssize_t soft_offline_page_store(struct device *dev,
pfn >>= PAGE_SHIFT;
if (!pfn_valid(pfn))
return -ENXIO;
+ /* Only online pages can be soft-offlined (esp., not ZONE_DEVICE). */
+ if (!pfn_to_online_page(pfn))
+ return -EIO;
ret = soft_offline_page(pfn_to_page(pfn), 0);
return ret == 0 ? count : ret;
}