EREMOVE fails on non-EPC page or when a SECS page with children is to be removed. These do not happen if the driver is working correctly. Log the error but do not crash the driver.
Signed-off-by: Jarkko Sakkinen <[email protected]> --- drivers/platform/x86/intel_sgx_page_cache.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/platform/x86/intel_sgx_page_cache.c b/drivers/platform/x86/intel_sgx_page_cache.c index d073057..7f73ac7 100644 --- a/drivers/platform/x86/intel_sgx_page_cache.c +++ b/drivers/platform/x86/intel_sgx_page_cache.c @@ -551,10 +551,8 @@ void sgx_free_page(struct sgx_epc_page *entry, ret = __eremove(epc); sgx_put_epc_page(epc); - if (ret) { - pr_err("EREMOVE returned %d\n", ret); - BUG(); - } + if (ret) + sgx_err(encl, "EREMOVE returned %d\n", ret); } spin_lock(&sgx_free_list_lock); -- 2.9.3
