[PATCH][next][V2] tee: fix memory allocation failure checks on drv_data and amdtee

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From: Colin Ian King <colin.king@xxxxxxxxxxxxx>

Currently the memory allocation failure checks on drv_data and
amdtee are using IS_ERR rather than checking for a null pointer.
Fix these checks to use the conventional null pointer check.

Addresses-Coverity: ("Dereference null return")
Fixes: 757cc3e9ff1d ("tee: add AMD-TEE driver")
Signed-off-by: Colin Ian King <colin.king@xxxxxxxxxxxxx>
---
V2: update to apply against cryptodev-2.6 tree tip
---
 drivers/tee/amdtee/core.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/tee/amdtee/core.c b/drivers/tee/amdtee/core.c
index be8937eb5d43..6370bb55f512 100644
--- a/drivers/tee/amdtee/core.c
+++ b/drivers/tee/amdtee/core.c
@@ -446,11 +446,11 @@ static int __init amdtee_driver_init(void)
 	}
 
 	drv_data = kzalloc(sizeof(*drv_data), GFP_KERNEL);
-	if (IS_ERR(drv_data))
+	if (!drv_data)
 		return -ENOMEM;
 
 	amdtee = kzalloc(sizeof(*amdtee), GFP_KERNEL);
-	if (IS_ERR(amdtee)) {
+	if (!amdtee) {
 		rc = -ENOMEM;
 		goto err_kfree_drv_data;
 	}
-- 
2.24.0




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