[xen staging-4.13] x86/ucode/amd: Fix assertion in compare_patch()

[patchbot@xxxxxxx]

commit e5195730f1c1d0dee68ffa951008c01431c371e8
Author:     Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
AuthorDate: Thu Apr 9 09:12:26 2020 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Apr 9 09:12:26 2020 +0200

    x86/ucode/amd: Fix assertion in compare_patch()
    
    This is clearly a typo.
    
    Fixes: 9da23943ccd "microcode: introduce a global cache of ucode patch"
    Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>
    Reviewed-by: Wei Liu <wl@xxxxxxx>
    master commit: 13ed5d49a4214dc3521d4af7bfcf13fbcf5bfd63
    master date: 2020-03-26 18:57:45 +0000
---
 xen/arch/x86/microcode_amd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/microcode_amd.c b/xen/arch/x86/microcode_amd.c
index 00750f7bbb..eb7ae79918 100644
--- a/xen/arch/x86/microcode_amd.c
+++ b/xen/arch/x86/microcode_amd.c
@@ -222,7 +222,7 @@ static enum microcode_match_result compare_patch(
 
     /* Both patches to compare are supposed to be applicable to local CPU. */
     ASSERT(microcode_fits(new->mc_amd) != MIS_UCODE);
-    ASSERT(microcode_fits(new->mc_amd) != MIS_UCODE);
+    ASSERT(microcode_fits(old->mc_amd) != MIS_UCODE);
 
     return compare_header(new_header, old_header);
 }
--
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