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Diffstat (limited to 'arch/x86/mm/ioremap.c')
-rw-r--r--arch/x86/mm/ioremap.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 334e63ca7b2b..2feb9bdedaaf 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,
170 (unsigned long long)phys_addr, 170 (unsigned long long)phys_addr,
171 (unsigned long long)(phys_addr + size), 171 (unsigned long long)(phys_addr + size),
172 prot_val, new_prot_val); 172 prot_val, new_prot_val);
173 free_memtype(phys_addr, phys_addr + size); 173 goto err_free_memtype;
174 return NULL;
175 } 174 }
176 prot_val = new_prot_val; 175 prot_val = new_prot_val;
177 } 176 }
@@ -197,26 +196,25 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
197 */ 196 */
198 area = get_vm_area_caller(size, VM_IOREMAP, caller); 197 area = get_vm_area_caller(size, VM_IOREMAP, caller);
199 if (!area) 198 if (!area)
200 return NULL; 199 goto err_free_memtype;
201 area->phys_addr = phys_addr; 200 area->phys_addr = phys_addr;
202 vaddr = (unsigned long) area->addr; 201 vaddr = (unsigned long) area->addr;
203 202
204 if (kernel_map_sync_memtype(phys_addr, size, prot_val)) { 203 if (kernel_map_sync_memtype(phys_addr, size, prot_val))
205 free_memtype(phys_addr, phys_addr + size); 204 goto err_free_area;
206 free_vm_area(area);
207 return NULL;
208 }
209 205
210 if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot)) { 206 if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot))
211 free_memtype(phys_addr, phys_addr + size); 207 goto err_free_area;
212 free_vm_area(area);
213 return NULL;
214 }
215 208
216 ret_addr = (void __iomem *) (vaddr + offset); 209 ret_addr = (void __iomem *) (vaddr + offset);
217 mmiotrace_ioremap(unaligned_phys_addr, unaligned_size, ret_addr); 210 mmiotrace_ioremap(unaligned_phys_addr, unaligned_size, ret_addr);
218 211
219 return ret_addr; 212 return ret_addr;
213err_free_area:
214 free_vm_area(area);
215err_free_memtype:
216 free_memtype(phys_addr, phys_addr + size);
217 return NULL;
220} 218}
221 219
222/** 220/**