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[Xen-changelog] /dev/mem write function should use copy_from_user, not c
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| Subject: | [Xen-changelog] /dev/mem write function should use copy_from_user, not copy_to_user. |
| From: | Xen patchbot -unstable <patchbot-unstable@xxxxxxxxxxxxxxxxxxx> |
| Date: | Thu, 17 Nov 2005 11:28:08 +0000 |
| Delivery-date: | Thu, 17 Nov 2005 11:28:41 +0000 |
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 9f4efb238f5bf31fd313cfd11e203db4d7b247ab
# Parent 592d8f74d23dc1753ccfc049cc08a368f7badf1b
/dev/mem write function should use copy_from_user, not copy_to_user.
Signed-off-by: Vincent Hanquez <vincent@xxxxxxxxxxxxx>
diff -r 592d8f74d23d -r 9f4efb238f5b
linux-2.6-xen-sparse/arch/xen/kernel/devmem.c
--- a/linux-2.6-xen-sparse/arch/xen/kernel/devmem.c Wed Nov 16 10:33:13 2005
+++ b/linux-2.6-xen-sparse/arch/xen/kernel/devmem.c Wed Nov 16 10:34:19 2005
@@ -79,7 +79,7 @@
if ((v = ioremap(p, count)) == NULL)
return -EFAULT;
- if (copy_to_user(v, buf, count))
+ if (copy_from_user(v, buf, count))
goto out;
written = count;
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