Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=22124c9999f00340b062fff740db30187bf18454
Commit: 22124c9999f00340b062fff740db30187bf18454
Parent: 3305a6bc2c4dbd8f7fde1b9941ccb260bc6355c2
Author: Fernando Luis Vázquez Cao <[EMAIL PROTECTED]>
AuthorDate: Thu Oct 18 23:39:14 2007 -0700
Committer: Linus Torvalds <[EMAIL PROTECTED]>
CommitDate: Fri Oct 19 11:53:33 2007 -0700
kmap leak fix for x86_32 kdump
copy_oldmem_page should not return leaving a page frame from the
previous kernel mapped.
Signed-off-by: Fernando Luis Vázquez Cao <[EMAIL PROTECTED]>
Acked-by: Vivek Goyal <[EMAIL PROTECTED]>
Signed-off-by: Andrew Morton <[EMAIL PROTECTED]>
Signed-off-by: Linus Torvalds <[EMAIL PROTECTED]>
---
arch/x86/kernel/crash_dump_32.c | 1 +
1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/arch/x86/kernel/crash_dump_32.c b/arch/x86/kernel/crash_dump_32.c
index 32e75d0..72d0c56 100644
--- a/arch/x86/kernel/crash_dump_32.c
+++ b/arch/x86/kernel/crash_dump_32.c
@@ -47,6 +47,7 @@ ssize_t copy_oldmem_page(unsigned long pfn, char *buf,
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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