From 27600805e62f800bacf990354632eae4e487d34c Mon Sep 17 00:00:00 2001 From: Yazen Ghannam Date: Thu, 3 Sep 2026 10:43:25 -0500 Subject: x86/amd_node: Fix PCI device reference counting in amd_smn_init() The local "root" pointer is a temporary variable used during the device search. Therefore, refcount related to the search iterators should be cleaned up after the search is complete. Use the __free() cleanup macro to ensure the refcount is decremented when the temporary pointer goes out of scope. Additionally, increment the refcount when caching a root pointer. This ensures the in-use refcount is separate from the temporary search refcounting. Finally, drop the redundant "root = NULL" before the second search loop. The pci_get_class() iterator always decrements the refcount of its "from" argument, so the first loop can only fall through with "root" already NULL. Fixes: 0a4b61d9c2e4 ("x86/amd_node: Fix AMD root device caching") Closes: https://sashiko.dev/#/patchset/20260806160159.230453-1-jason.andryuk%40amd.com Reported-by: Sashiko Assisted-by: LLM Signed-off-by: Yazen Ghannam Signed-off-by: Borislav Petkov (AMD) Reviewed-by: Mario Limonciello (AMD) Cc: Link: https://patch.msgid.link/20260903154325.74343-1-yazen.ghannam@amd.com --- drivers/crypto/ccp/Makefile | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 drivers/crypto/ccp/Makefile (limited to 'drivers/crypto/ccp/Makefile') diff --git a/drivers/crypto/ccp/Makefile b/drivers/crypto/ccp/Makefile new file mode 100644 index 000000000..0424e0856 --- /dev/null +++ b/drivers/crypto/ccp/Makefile @@ -0,0 +1,31 @@ +# SPDX-License-Identifier: GPL-2.0 +obj-$(CONFIG_CRYPTO_DEV_CCP_DD) += ccp.o +ccp-objs := sp-dev.o sp-platform.o +ccp-$(CONFIG_CRYPTO_DEV_SP_CCP) += ccp-dev.o \ + ccp-ops.o \ + ccp-dev-v3.o \ + ccp-dev-v5.o \ + ccp-dmaengine.o +ccp-$(CONFIG_CRYPTO_DEV_CCP_DEBUGFS) += ccp-debugfs.o +ccp-$(CONFIG_PCI) += sp-pci.o +ccp-$(CONFIG_CRYPTO_DEV_SP_PSP) += psp-dev.o \ + sev-dev.o \ + tee-dev.o \ + platform-access.o \ + dbc.o \ + hsti.o \ + sfs.o + +ifeq ($(CONFIG_PCI_TSM),y) +ccp-$(CONFIG_CRYPTO_DEV_SP_PSP) += sev-dev-tsm.o sev-dev-tio.o +endif + +obj-$(CONFIG_CRYPTO_DEV_CCP_CRYPTO) += ccp-crypto.o +ccp-crypto-objs := ccp-crypto-main.o \ + ccp-crypto-aes.o \ + ccp-crypto-aes-cmac.o \ + ccp-crypto-aes-xts.o \ + ccp-crypto-aes-galois.o \ + ccp-crypto-des3.o \ + ccp-crypto-rsa.o \ + ccp-crypto-sha.o -- cgit v1.3.1