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authorMark Brown <broonie@linaro.org>2013-12-31 12:59:55 +0000
committerMark Brown <broonie@linaro.org>2013-12-31 12:59:55 +0000
commit68066bb378a0504439e046cdb55d88362eb6379d (patch)
tree0b60f72ddf7108a63dd4db617b42e07fbae5346d /fs/proc/inode.c
parent43f627ac9de42607b2cdcc7a41f2bcc82187e06a (diff)
parent802eee95bde72fd0cd0f3a5b2098375a487d1eda (diff)
Merge tag 'v3.13-rc6' into spi-dw
To resolve trivial overlaps with fixes. Linux 3.13-rc6
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 28955d4b721..124fc43c709 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;