diff --git a/drivers/crypto/ccp/sev-dev.c b/drivers/crypto/ccp/sev-dev.c index 9f3434ffba4f..48caeffcc217 100644 --- a/drivers/crypto/ccp/sev-dev.c +++ b/drivers/crypto/ccp/sev-dev.c @@ -1488,6 +1488,8 @@ static int __sev_snp_init_locked(int *error, unsigned int max_snp_asid) &snp_panic_notifier); if (data.tio_en) { + struct page *page; + /* * This executes with the sev_cmd_mutex held so down the stack * snp_reclaim_pages(locked=false) might be needed (which is extremely @@ -1495,12 +1497,14 @@ static int __sev_snp_init_locked(int *error, unsigned int max_snp_asid) * Instead of exporting __snp_alloc_firmware_pages(), allocate a page * for this one call here. */ - void *tio_status = page_address(__snp_alloc_firmware_pages( - GFP_KERNEL_ACCOUNT | __GFP_ZERO, 0, true)); + page = __snp_alloc_firmware_pages(GFP_KERNEL_ACCOUNT | __GFP_ZERO, + 0, true); + if (page) { + void *tio_status = page_address(page); - if (tio_status) { sev_tsm_init_locked(sev, tio_status); - __snp_free_firmware_pages(virt_to_page(tio_status), 0, true); + + __snp_free_firmware_pages(page, 0, true); } }