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SubjectPATCH] fbmem.c, kernel 2.3.25
I noticed that a few lines that referenced the vm_offset member of the
vm_area_struct structure in fbmem.c were giving me errors when i
attempted to compile kernel 2.3.25. Here is my bugfix patch (which works
on my machine with ver limited testing) that turns all references to the
vm_offset member of the aforementioned structure in the code to the
vm_pgoff member of the structure.

Ian Baird
<ibaird@umr.edu>


--- linux-2.3.25/drivers/video/fbmem.c Thu Oct 28 16:34:46 1999
+++ linux/drivers/video/fbmem.c Tue Nov 2 20:16:22 1999
@@ -505,9 +505,9 @@
len = (start & ~PAGE_MASK)+fix.smem_len;
start &= PAGE_MASK;
len = (len+~PAGE_MASK) & PAGE_MASK;
- if (vma->vm_offset >= len) {
+ if (vma->vm_pgoff >= len) {
/* memory mapped io */
- vma->vm_offset -= len;
+ vma->vm_pgoff -= len;
fb->fb_get_var(&var, PROC_CONSOLE(info), info);
if (var.accel_flags)
return -EINVAL;
@@ -516,10 +516,10 @@
start &= PAGE_MASK;
len = (len+~PAGE_MASK) & PAGE_MASK;
}
- if ((vma->vm_end - vma->vm_start + vma->vm_offset) > len)
+ if ((vma->vm_end - vma->vm_start + vma->vm_pgoff) > len)
return -EINVAL;
- vma->vm_offset += start;
- if (vma->vm_offset & ~PAGE_MASK)
+ vma->vm_pgoff += start;
+ if (vma->vm_pgoff & ~PAGE_MASK)
return -ENXIO;
#if defined(__mc68000__)
if (CPU_IS_020_OR_030)
@@ -549,7 +549,7 @@
#else
#warning What do we have to do here??
#endif
- if (io_remap_page_range(vma->vm_start, vma->vm_offset,
+ if (io_remap_page_range(vma->vm_start, vma->vm_pgoff,
vma->vm_end - vma->vm_start, vma->vm_page_prot))
return -EAGAIN;
return 0;
-
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