[xen master] x86/hvm: address a violation of MISRA C:2012 Rule 11.8

[patchbot@xxxxxxx]

commit 0cc74376d6823e0883f89556be2a267f2240a558
Author:     Maria Celeste Cesario <maria.celeste.cesario@xxxxxxxxxxx>
AuthorDate: Mon Dec 18 15:22:06 2023 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Mon Dec 18 15:22:06 2023 +0100

    x86/hvm: address a violation of MISRA C:2012 Rule 11.8
    
    The xen sources contain violations of MISRA C:2012 Rule 11.8 whose
    headline states:
    "A conversion shall not remove any const, volatile or _Atomic qualification
    from the type pointed to by a pointer".
    
    Remove unnecessary cast.
    from is a const-qualified pointer to void and the function 
hvm_copy_to_guest_linear
    requires a const void* type argument, therefore the cast to void* is not 
necessary.
    
    No functional change.
    
    Signed-off-by: Maria Celeste Cesario  <maria.celeste.cesario@xxxxxxxxxxx>
    Signed-off-by: Simone Ballarin  <simone.ballarin@xxxxxxxxxxx>
    Reviewed-by: Jan Beulich <jbeulich@xxxxxxxx>
    Reviewed-by: Stefano Stabellini <sstabellini@xxxxxxxxxx>
---
 xen/arch/x86/hvm/hvm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/arch/x86/hvm/hvm.c b/xen/arch/x86/hvm/hvm.c
index 35a30df3b1..523e0df57c 100644
--- a/xen/arch/x86/hvm/hvm.c
+++ b/xen/arch/x86/hvm/hvm.c
@@ -3462,7 +3462,7 @@ unsigned int copy_to_user_hvm(void *to, const void *from, 
unsigned int len)
         return 0;
     }
 
-    rc = hvm_copy_to_guest_linear((unsigned long)to, (void *)from, len, 0, 
NULL);
+    rc = hvm_copy_to_guest_linear((unsigned long)to, from, len, 0, NULL);
     return rc ? len : 0; /* fake a copy_to_user() return code */
 }
 
--
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