copy_oldmem_page should not return leaving a page frame from the
previous kernel mapped.
Signed-off-by: Fernando Luis Vazquez Cao <[EMAIL PROTECTED]>
---
diff -urNp linux-2.6.23-git13-orig/arch/x86/kernel/crash_dump_32.c
linux-2.6.23-git13/arch/x86/kernel/crash_dump_32.c
--- linux-2.6.23-git13-orig/arch/x86/kernel/crash_dump_32.c 2007-10-18
19:42:54.000000000 +0900
+++ linux-2.6.23-git13/arch/x86/kernel/crash_dump_32.c 2007-10-18
19:49:25.000000000 +0900
@@ -47,6 +47,7 @@ ssize_t copy_oldmem_page(unsigned long p
if (!kdump_buf_page) {
printk(KERN_WARNING "Kdump: Kdump buffer page not"
" allocated\n");
+ kunmap_atomic(vaddr, KM_PTE0);
return -EFAULT;
}
copy_page(kdump_buf_page, vaddr);
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