PM: fix new mutex-locking bug in the PM core

[pandora-kernel.git] / mm / fremap.c

diff --git a/mm/fremap.c b/mm/fremap.c
index 14bd3bf..69a37c2 100644 (file)
--- a/mm/fremap.c
+++ b/mm/fremap.c
@@ -190,10 +190,13 @@ asmlinkage long sys_remap_file_pages(unsigned long start, unsigned long size,
                 */
                if (mapping_cap_account_dirty(mapping)) {
                        unsigned long addr;
+                       struct file *file = vma->vm_file;
 
                        flags &= MAP_NONBLOCK;
-                       addr = mmap_region(vma->vm_file, start, size,
+                       get_file(file);
+                       addr = mmap_region(file, start, size,
                                        flags, vma->vm_flags, pgoff, 1);
+                       fput(file);
                        if (IS_ERR_VALUE(addr)) {
                                err = addr;
                        } else {