From: Su Hui suhui@nfschina.com
[ Upstream commit 5b00369fcf6d1ff9050b94800dc596925ff3623f ]
Move allocation code down to avoid memory leak.
Fixes: 29f54745f245 ("iommu/amd: Add missing domain type checks") Signed-off-by: Su Hui suhui@nfschina.com Reviewed-by: Jason Gunthorpe jgg@nvidia.com Reviewed-by: Jerry Snitselaar jsnitsel@redhat.com Reviewed-by: Vasant Hegde vasant.hegde@amd.com Link: https://lore.kernel.org/r/20230608021933.856045-1-suhui@nfschina.com Signed-off-by: Joerg Roedel jroedel@suse.de Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/iommu/amd/iommu.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/iommu/amd/iommu.c b/drivers/iommu/amd/iommu.c index cd0e3fb78c3ff..e9eac86cddbd2 100644 --- a/drivers/iommu/amd/iommu.c +++ b/drivers/iommu/amd/iommu.c @@ -2069,10 +2069,6 @@ static struct protection_domain *protection_domain_alloc(unsigned int type) int mode = DEFAULT_PGTABLE_LEVEL; int ret;
- domain = kzalloc(sizeof(*domain), GFP_KERNEL); - if (!domain) - return NULL; - /* * Force IOMMU v1 page table when iommu=pt and * when allocating domain for pass-through devices. @@ -2088,6 +2084,10 @@ static struct protection_domain *protection_domain_alloc(unsigned int type) return NULL; }
+ domain = kzalloc(sizeof(*domain), GFP_KERNEL); + if (!domain) + return NULL; + switch (pgtable) { case AMD_IOMMU_V1: ret = protection_domain_init_v1(domain, mode);