diff options
author | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:24:42 +0200 |
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committer | Thomas Gleixner <tglx@linutronix.de> | 2013-05-05 08:27:03 +0200 |
commit | f99e44a7f3352d7131c7526207f153f13ec5acd4 (patch) | |
tree | 0f448b21128c478053ee7f7765b865954c4eebe8 /arch/powerpc/kernel/proc_powerpc.c | |
parent | fd29f424d458118f02e89596505c68a63dcb3007 (diff) | |
parent | ce857229e0c3adc211944a13a5579ef84fd7b4af (diff) |
Merge branch 'linus' into core/urgent
Update with Linus tree so fixes for the same can be applied.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/powerpc/kernel/proc_powerpc.c')
-rw-r--r-- | arch/powerpc/kernel/proc_powerpc.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/powerpc/kernel/proc_powerpc.c b/arch/powerpc/kernel/proc_powerpc.c index f19d0bdc3241..feb8580fdc84 100644 --- a/arch/powerpc/kernel/proc_powerpc.c +++ b/arch/powerpc/kernel/proc_powerpc.c @@ -32,8 +32,6 @@ static loff_t page_map_seek( struct file *file, loff_t off, int whence) { loff_t new; - struct proc_dir_entry *dp = PDE(file_inode(file)); - switch(whence) { case 0: new = off; @@ -42,12 +40,12 @@ static loff_t page_map_seek( struct file *file, loff_t off, int whence) new = file->f_pos + off; break; case 2: - new = dp->size + off; + new = PAGE_SIZE + off; break; default: return -EINVAL; } - if ( new < 0 || new > dp->size ) + if ( new < 0 || new > PAGE_SIZE ) return -EINVAL; return (file->f_pos = new); } @@ -55,19 +53,18 @@ static loff_t page_map_seek( struct file *file, loff_t off, int whence) static ssize_t page_map_read( struct file *file, char __user *buf, size_t nbytes, loff_t *ppos) { - struct proc_dir_entry *dp = PDE(file_inode(file)); - return simple_read_from_buffer(buf, nbytes, ppos, dp->data, dp->size); + return simple_read_from_buffer(buf, nbytes, ppos, + PDE_DATA(file_inode(file)), PAGE_SIZE); } static int page_map_mmap( struct file *file, struct vm_area_struct *vma ) { - struct proc_dir_entry *dp = PDE(file_inode(file)); - - if ((vma->vm_end - vma->vm_start) > dp->size) + if ((vma->vm_end - vma->vm_start) > PAGE_SIZE) return -EINVAL; - remap_pfn_range(vma, vma->vm_start, __pa(dp->data) >> PAGE_SHIFT, - dp->size, vma->vm_page_prot); + remap_pfn_range(vma, vma->vm_start, + __pa(PDE_DATA(file_inode(file))) >> PAGE_SHIFT, + PAGE_SIZE, vma->vm_page_prot); return 0; } @@ -86,7 +83,7 @@ static int __init proc_ppc64_init(void) &page_map_fops, vdso_data); if (!pde) return 1; - pde->size = PAGE_SIZE; + proc_set_size(pde, PAGE_SIZE); return 0; } |