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-rw-r--r--drivers/dax/device.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dax/device.c b/drivers/dax/device.c
index aff2c1594220..de2f8297a210 100644
--- a/drivers/dax/device.c
+++ b/drivers/dax/device.c
@@ -594,7 +594,7 @@ struct dev_dax *devm_create_dev_dax(struct dax_region *dax_region,
if (!count)
return ERR_PTR(-EINVAL);
- dev_dax = kzalloc(sizeof(*dev_dax) + sizeof(*res) * count, GFP_KERNEL);
+ dev_dax = kzalloc(struct_size(dev_dax, res, count), GFP_KERNEL);
if (!dev_dax)
return ERR_PTR(-ENOMEM);