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-rw-r--r--fs/proc/inode.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 6c501c4..8eaa1ba 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -289,9 +289,13 @@ static unsigned long proc_reg_get_unmapped_area(struct file *file, unsigned long
{
struct proc_dir_entry *pde = PDE(file_inode(file));
unsigned long rv = -EIO;
- unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long);
+ unsigned long (*get_unmapped_area)(struct file *, unsigned long, unsigned long, unsigned long, unsigned long) = NULL;
if (use_pde(pde)) {
- get_unmapped_area = pde->proc_fops->get_unmapped_area;
+#ifdef CONFIG_MMU
+ get_unmapped_area = current->mm->get_unmapped_area;
+#endif
+ if (pde->proc_fops->get_unmapped_area)
+ get_unmapped_area = pde->proc_fops->get_unmapped_area;
if (get_unmapped_area)
rv = get_unmapped_area(file, orig_addr, len, pgoff, flags);
unuse_pde(pde);
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