[xen staging] vpci: fix function attributes for vpci_process_pending

[patchbot@xxxxxxx]

commit 7dc0233f534f64e7f3ee71e74e05dd5ab8a24808
Author:     Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
AuthorDate: Tue Dec 14 09:44:44 2021 +0100
Commit:     Jan Beulich <jbeulich@xxxxxxxx>
CommitDate: Tue Dec 14 09:44:44 2021 +0100

    vpci: fix function attributes for vpci_process_pending
    
    vpci_process_pending is defined with different attributes, e.g.
    with __must_check if CONFIG_HAS_VPCI enabled and not otherwise.
    Fix this by defining both of the definitions with __must_check.
    
    Fixes: 14583a590783 ("7fbb096bf345 kconfig: don't select VPCI if building a 
shim-only binary")
    Signed-off-by: Oleksandr Andrushchenko <oleksandr_andrushchenko@xxxxxxxx>
    Reviewed-by: Julien Grall <jgrall@xxxxxxxxxx>
    Reviewed-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
 xen/include/xen/vpci.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/include/xen/vpci.h b/xen/include/xen/vpci.h
index 9ea66e033f..3f32de9d7e 100644
--- a/xen/include/xen/vpci.h
+++ b/xen/include/xen/vpci.h
@@ -247,7 +247,7 @@ static inline void vpci_write(pci_sbdf_t sbdf, unsigned int 
reg,
     ASSERT_UNREACHABLE();
 }
 
-static inline bool vpci_process_pending(struct vcpu *v)
+static inline bool __must_check vpci_process_pending(struct vcpu *v)
 {
     ASSERT_UNREACHABLE();
     return false;
--
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