x86: fix leak un ioremap_page_range() failure

Jan Beulich noticed it during code review that if a driver's ioremap()
fails (say due to -ENOMEM) then we might leak the struct vm_area.

Free it properly.

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 882328efc3db..ac3c959e271d 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -162,7 +162,7 @@ static void __iomem *__ioremap(unsigned long phys_addr, unsigned long size,
         area->phys_addr = phys_addr;
         vaddr = (unsigned long) area->addr;
         if (ioremap_page_range(vaddr, vaddr + size, phys_addr, prot)) {
-                remove_vm_area((void *)(vaddr & PAGE_MASK));
+                free_vm_area(area);
                 return NULL;
         }