[PATCH 5.11 150/775] x86/sgx: Fix the return type of sgx_init()
From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Date: 2021-03-02 01:40:09
Also in:
lkml
Subsystem:
intel sgx, the rest, x86 architecture (32-bit and 64-bit) · Maintainers:
Jarkko Sakkinen, Linus Torvalds, Thomas Gleixner, Ingo Molnar, Borislav Petkov, Dave Hansen
From: Sami Tolvanen <samitolvanen@google.com>
[ Upstream commit 31bf92881714fe9962d43d097b5114a9b4ad0a12 ]
device_initcall() expects a function of type initcall_t, which returns
an integer. Change the signature of sgx_init() to match.
Fixes: e7e0545299d8c ("x86/sgx: Initialize metadata for Enclave Page Cache (EPC) sections")
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Signed-off-by: Borislav Petkov <redacted>
Reviewed-by: Darren Kenny <redacted>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Link: https://lkml.kernel.org/r/20210113232311.277302-1-samitolvanen@google.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
arch/x86/kernel/cpu/sgx/main.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/arch/x86/kernel/cpu/sgx/main.c b/arch/x86/kernel/cpu/sgx/main.c
index c519fc5f69480..8df81a3ed9457 100644
--- a/arch/x86/kernel/cpu/sgx/main.c
+++ b/arch/x86/kernel/cpu/sgx/main.c@@ -700,25 +700,27 @@ static bool __init sgx_page_cache_init(void) return true; } -static void __init sgx_init(void) +static int __init sgx_init(void) { int ret; int i; if (!cpu_feature_enabled(X86_FEATURE_SGX)) - return; + return -ENODEV; if (!sgx_page_cache_init()) - return; + return -ENOMEM; - if (!sgx_page_reclaimer_init()) + if (!sgx_page_reclaimer_init()) { + ret = -ENOMEM; goto err_page_cache; + } ret = sgx_drv_init(); if (ret) goto err_kthread; - return; + return 0; err_kthread: kthread_stop(ksgxd_tsk);
@@ -728,6 +730,8 @@ err_page_cache: vfree(sgx_epc_sections[i].pages); memunmap(sgx_epc_sections[i].virt_addr); } + + return ret; } device_initcall(sgx_init);
--
2.27.0