optee_verify_header is called at two places with
imx_scratch_get_optee_hdr() as argument, which returns an error pointer.
Check against that to avoid crashing in error cases.
Suggested-by: Marco Felsch <m.felsch@xxxxxxxxxxxxxx>
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
common/optee.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/common/optee.c b/common/optee.c
index a8a43554e757..7fe93e441974 100644
--- a/common/optee.c
+++ b/common/optee.c
@@ -10,7 +10,7 @@ static u64 optee_membase = U64_MAX;
int optee_verify_header(const struct optee_header *hdr)
{
- if (!hdr)
+ if (IS_ERR_OR_NULL(hdr))
return -EINVAL;
if (hdr->magic != OPTEE_MAGIC) {
--
2.39.2
