Check memory allocation failures and return -ENOMEM in such cases, as
already done few lines below for another memory allocation.
This avoids NULL pointers dereference.
Fixes: 14e494542636 ("libnvdimm, btt: BTT updates for UEFI 2.7 format")
Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
drivers/nvdimm/btt.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 60491641a8d6..607184ebcfbf 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1431,6 +1431,8 @@ int nvdimm_namespace_attach_btt(struct nd_namespace_common *ndns)
}
btt_sb = devm_kzalloc(&nd_btt->dev, sizeof(*btt_sb), GFP_KERNEL);
+ if (!btt_sb)
+ return -ENOMEM;
/*
* If this returns < 0, that is ok as it just means there wasn't
--
2.11.0
--
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