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| author | Rob Herring <robh@kernel.org> | 2014-01-17 23:01:27 +0100 |
|---|---|---|
| committer | Rob Herring <robh@kernel.org> | 2014-01-17 23:01:27 +0100 |
| commit | 361128fcbf30f590a05c8e8789155364f37367db (patch) | |
| tree | 7f7973599e286dfd48ea724a5b7fb4bca76b294e /fs/proc/inode.c | |
| parent | devicetree: macb: Document clock properties (diff) | |
| parent | dt/bindings: Remove device_type "serial" from marvell,mv64360-mpsc (diff) | |
| download | linux-361128fcbf30f590a05c8e8789155364f37367db.tar.xz linux-361128fcbf30f590a05c8e8789155364f37367db.zip | |
Merge remote-tracking branch 'grant/devicetree/next' into for-3.14
Diffstat (limited to 'fs/proc/inode.c')
| -rw-r--r-- | fs/proc/inode.c | 14 |
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; |