__sgx_alloc_epc_page() returns ERR_PTR(-ENOMEM) when no EPC page is
available, but its kernel-doc says that this case returns NULL. Document
the error pointer returned when the node search is exhausted.
Fixes: 901ddbb9ecf5 ("x86/sgx: Add a basic NUMA allocation scheme to sgx_alloc_epc_page()")
Assisted-by: LLM
Signed-off-by: Karl Mehltretter <kmehltretter@gmail.com>
---
arch/x86/kernel/cpu/sgx/main.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index 4505f808af5e5f248d89f47006fcd38de3968cf3..f6b24f362e4155a5bf4d27a84622a1cf03c6320c 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c
@@ -475,7 +475,7 @@ static struct sgx_epc_page *__sgx_alloc_epc_page_from_node(int nid)
*
* Return:
* - an EPC page: A borrowed EPC pages were available.
- * - NULL: Out of EPC pages.
+ * - ERR_PTR(-ENOMEM): Out of EPC pages.
*/
struct sgx_epc_page *__sgx_alloc_epc_page(void)
{