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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-24 09:43:21 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-12-24 09:43:21 -0800
commit5bd2010fbe027b224db2e74a4fdfec9a7b7918d2 (patch)
tree59106aae3930a3608409c101ec32d68742c8d168 /fs/proc/inode.c
parent41f107266b19d100c1bcef9e1e1aef00692c1209 (diff)
parent413541dd66d51f791a0b169d9b9014e4f56be13c (diff)
Merge 3.13-rc5 into staging-next
We want these fixes here to handle some merge issues. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'fs/proc/inode.c')
-rw-r--r--fs/proc/inode.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/proc/inode.c b/fs/proc/inode.c
index 28955d4b7218..124fc43c7090 100644
--- a/fs/proc/inode.c
+++ b/fs/proc/inode.c
@@ -292,16 +292,20 @@ proc_reg_get_unmapped_area(struct file *file, unsigned long orig_addr,
{
struct proc_dir_entry *pde = PDE(file_inode(file));
unsigned long rv = -EIO;
- unsigned long (*get_area)(struct file *, unsigned long, unsigned long,
- unsigned long, unsigned long) = NULL;
+
if (use_pde(pde)) {
+ typeof(proc_reg_get_unmapped_area) *get_area;
+
+ get_area = pde->proc_fops->get_unmapped_area;
#ifdef CONFIG_MMU
- get_area = current->mm->get_unmapped_area;
+ if (!get_area)
+ get_area = current->mm->get_unmapped_area;
#endif
- if (pde->proc_fops->get_unmapped_area)
- get_area = pde->proc_fops->get_unmapped_area;
+
if (get_area)
rv = get_area(file, orig_addr, len, pgoff, flags);
+ else
+ rv = orig_addr;
unuse_pde(pde);
}
return rv;