From: Colin Ian King colin.king@canonical.com
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@canonical.com --- 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 9d0cee1c837f..5fda810c79dc 100644 --- a/drivers/tee/amdtee/core.c +++ b/drivers/tee/amdtee/core.c @@ -444,11 +444,11 @@ static int __init amdtee_driver_init(void) goto err_fail;
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; }