diff options
| author | Zhen Ni <zhen.ni@easystack.cn> | 2025-08-22 10:49:15 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-09-25 11:16:48 +0200 |
| commit | b0c0e231060aa8bfe6e24e7d15e31ce59e11b1e1 (patch) | |
| tree | c4f7fafa6d620cc3f962f15997bbe93d5b41f99d | |
| parent | 7ff7d16649b2393562a3bf5866b83481424e86a6 (diff) | |
iommu/amd: Fix ivrs_base memleak in early_amd_iommu_init()
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>
| -rw-r--r-- | drivers/iommu/amd/init.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/amd/init.c b/drivers/iommu/amd/init.c index 7add9bcf45dc..3a97cc667943 100644 --- a/drivers/iommu/amd/init.c +++ b/drivers/iommu/amd/init.c @@ -3048,7 +3048,8 @@ static int __init early_amd_iommu_init(void) if (!boot_cpu_has(X86_FEATURE_CX16)) { pr_err("Failed to initialize. The CMPXCHG16B feature is required.\n"); - return -EINVAL; + ret = -EINVAL; + goto out; } /* |