proc_powerpc: switch to fixed_size_llseek()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 2 insertions, 18 deletions

diff --git a/arch/powerpc/kernel/proc_powerpc.c b/arch/powerpc/kernel/proc_powerpc.c
index feb8580fdc84..c30612aad68e 100644
--- a/arch/powerpc/kernel/proc_powerpc.c
+++ b/arch/powerpc/kernel/proc_powerpc.c
@@ -29,25 +29,9 @@
 
 #ifdef CONFIG_PPC64
 
-static loff_t page_map_seek( struct file *file, loff_t off, int whence)
+static loff_t page_map_seek(struct file *file, loff_t off, int whence)
 {
-        loff_t new;
-        switch(whence) {
-        case 0:
-                new = off;
-                break;
-        case 1:
-                new = file->f_pos + off;
-                break;
-        case 2:
-                new = PAGE_SIZE + off;
-                break;
-        default:
-                return -EINVAL;
-        }
-        if ( new < 0 || new > PAGE_SIZE )
-                return -EINVAL;
-        return (file->f_pos = new);
+        return fixed_size_llseek(file, off, whence, PAGE_SIZE);
 }
 
 static ssize_t page_map_read( struct file *file, char __user *buf, size_t nbytes,