6.16-stable review patch. If anyone has any objections, please let me know.
------------------
From: Zhen Ni zhen.ni@easystack.cn
commit 923b70581cb6acede90f8aaf4afe5d1c58c67b71 upstream.
Fix a permanent ACPI table memory leak in early_amd_iommu_init() when CMPXCHG16B feature is not supported
Fixes: 82582f85ed22 ("iommu/amd: Disable AMD IOMMU if CMPXCHG16B feature is not supported") Cc: stable@vger.kernel.org Signed-off-by: Zhen Ni zhen.ni@easystack.cn Reviewed-by: Suravee Suthikulpanit suravee.suthikulpanit@amd.com Link: https://lore.kernel.org/r/20250822024915.673427-1-zhen.ni@easystack.cn Signed-off-by: Joerg Roedel joerg.roedel@amd.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/iommu/amd/init.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
--- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -3048,7 +3048,8 @@ static int __init early_amd_iommu_init(v
if (!boot_cpu_has(X86_FEATURE_CX16)) { pr_err("Failed to initialize. The CMPXCHG16B feature is required.\n"); - return -EINVAL; + ret = -EINVAL; + goto out; }
/*