memory: emif: check the pointer temp in get_device_details()

[ Upstream commit 5b5ab1bfa1898c6d52936a57c25c5ceba2cb2f87 ]

The pointer temp is allocated by devm_kzalloc(), so it should be
checked for error handling.

Fixes: 7ec944538dde ("memory: emif: add basic infrastructure for EMIF driver")
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Link: https://lore.kernel.org/r/20220225132552.27894-1-baijiaju1990@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/drivers/memory/emif.c b/drivers/memory/emif.c
index d4d4044..ecc78d6 100644 (file)
--- a/drivers/memory/emif.c
+++ b/drivers/memory/emif.c
@@ -1025,7 +1025,7 @@ static struct emif_data *__init_or_module get_device_details(
        temp    = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
        dev_info = devm_kzalloc(dev, sizeof(*dev_info), GFP_KERNEL);
 
-       if (!emif || !pd || !dev_info) {
+       if (!emif || !temp || !dev_info) {
                dev_err(dev, "%s:%d: allocation error\n", __func__, __LINE__);
                goto error;
        }