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[6/9] xen/ppc: address violations of MISRA C:2012 Rule 11.8.

Message ID 0dcaf3a85f3293168b993c42303dfd55684a7bb7.1702555387.git.maria.celeste.cesario@bugseng.com (mailing list archive)
State Superseded
Headers show
Series xen: address violations of MISRA C:2012 Rule 11.8 | expand

Commit Message

Simone Ballarin Dec. 14, 2023, 12:07 p.m. UTC 
From: Maria Celeste Cesario <maria.celeste.cesario@bugseng.com>

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".

Fix violation by adding missing const qualifier in cast.

Signed-off-by: Maria Celeste Cesario  <maria.celeste.cesario@bugseng.com>
Signed-off-by: Simone Ballarin  <simone.ballarin@bugseng.com>
---
Adaptation requested by the community to make the code more consistent.
---
 xen/arch/ppc/include/asm/atomic.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Comments

Stefano Stabellini Dec. 14, 2023, 9:51 p.m. UTC | #1 
On Thu, 14 Dec 2023, Simone Ballarin wrote:
> From: Maria Celeste Cesario <maria.celeste.cesario@bugseng.com>
> 
> 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".
> 
> Fix violation by adding missing const qualifier in cast.
> 
> Signed-off-by: Maria Celeste Cesario  <maria.celeste.cesario@bugseng.com>
> Signed-off-by: Simone Ballarin  <simone.ballarin@bugseng.com>

Reviewed-by: Stefano Stabellini <sstabellini@kernel.org>
diff mbox series

Patch

diff --git a/xen/arch/ppc/include/asm/atomic.h b/xen/arch/ppc/include/asm/atomic.h
index 64168aa3f1..fe778579fb 100644
--- a/xen/arch/ppc/include/asm/atomic.h
+++ b/xen/arch/ppc/include/asm/atomic.h
@@ -16,7 +16,7 @@ 
 
 static inline int atomic_read(const atomic_t *v)
 {
-    return *(volatile int *)&v->counter;
+    return *(const volatile int *)&v->counter;
 }
 
 static inline int _atomic_read(atomic_t v)