[xen staging] x86/acpi: address violations of MISRA Rule 20.7

[patchbot@xxxxxxx]

commit 4f900035a4a8373805dd94e4247b4645d26f8c6d
Author:     Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
AuthorDate: Thu Apr 25 09:50:33 2024 +0200
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Thu Apr 25 09:50:33 2024 +0200

    x86/acpi: address violations of MISRA Rule 20.7
    
    MISRA C Rule 20.7 states: "Expressions resulting from the expansion
    of macro parameters shall be enclosed in parentheses". Therefore, some
    macro definitions should gain additional parentheses to ensure that all
    current and future users will be safe with respect to expansions that
    can possibly alter the semantics of the passed-in macro parameter.
    
    No functional change.
    
    Signed-off-by: Nicola Vetrini <nicola.vetrini@xxxxxxxxxxx>
    Acked-by: Jan Beulich <jbeulich@xxxxxxxx>
---
 xen/arch/x86/acpi/power.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/xen/arch/x86/acpi/power.c b/xen/arch/x86/acpi/power.c
index c6fa810a6b..610937f42e 100644
--- a/xen/arch/x86/acpi/power.c
+++ b/xen/arch/x86/acpi/power.c
@@ -422,12 +422,12 @@ static void tboot_sleep(u8 sleep_state)
 {
     uint32_t shutdown_type;
 
-#define TB_COPY_GAS(tbg, g)             \
-    tbg.space_id = g.space_id;          \
-    tbg.bit_width = g.bit_width;        \
-    tbg.bit_offset = g.bit_offset;      \
-    tbg.access_width = g.access_width;  \
-    tbg.address = g.address;
+#define TB_COPY_GAS(tbg, g)                 \
+    (tbg).space_id = (g).space_id;          \
+    (tbg).bit_width = (g).bit_width;        \
+    (tbg).bit_offset = (g).bit_offset;      \
+    (tbg).access_width = (g).access_width;  \
+    (tbg).address = (g).address;
 
     /* sizes are not same (due to packing) so copy each one */
     TB_COPY_GAS(g_tboot_shared->acpi_sinfo.pm1a_cnt_blk,
--
generated by git-patchbot for /home/xen/git/xen.git#staging