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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-01-23 17:10:44 +0100 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-01-23 17:10:44 +0100 |
| commit | 55df811f2066fcaec2548248f0a1a6a0c12dc6b8 (patch) | |
| tree | 0850f490489e5b941692f3fe36dff5d2c1c35c3c /fs/proc/inode.c | |
| parent | Input: xpad - add new USB IDs for Logitech F310 and F710 (diff) | |
| parent | Input: wacom - add support for DTU-1031 (diff) | |
| download | linux-55df811f2066fcaec2548248f0a1a6a0c12dc6b8.tar.xz linux-55df811f2066fcaec2548248f0a1a6a0c12dc6b8.zip | |
Merge branch 'next' into for-linus
First round of input updates 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; |