diff options
Diffstat (limited to 'arch/x86/mm/ioremap.c')
| -rw-r--r-- | arch/x86/mm/ioremap.c | 24 |
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index 334e63ca7b2..2feb9bdedaa 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -170,8 +170,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, (unsigned long long)phys_addr, (unsigned long long)(phys_addr + size), prot_val, new_prot_val); - free_memtype(phys_addr, phys_addr + size); - return NULL; + goto err_free_memtype; } prot_val = new_prot_val; } @@ -197,26 +196,25 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr, */ area = get_vm_area_caller(size, VM_IOREMAP, caller); if (!area) - return NULL; + goto err_free_memtype; area->phys_addr = phys_addr; vaddr = (unsigned long) area->addr; - if (kernel_map_sync_memtype(phys_addr, size, prot_val)) { - free_memtype(phys_addr, phys_addr + size); - free_vm_area(area); - return NULL; - } + if (kernel_map_sync_memtype(phys_addr, size, prot_val)) + goto err_free_area; - if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot)) { - free_memtype(phys_addr, phys_addr + size); - free_vm_area(area); - return NULL; - } + if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot)) + goto err_free_area; ret_addr = (void __iomem *) (vaddr + offset); mmiotrace_ioremap(unaligned_phys_addr, unaligned_size, ret_addr); return ret_addr; +err_free_area: + free_vm_area(area); +err_free_memtype: + free_memtype(phys_addr, phys_addr + size); + return NULL; } /** |