cpumask: remove cpumask_t assignment from vector_allocation_domain()

Impact: cleanup

It's not legal to do assignments into cpumask_var_t; they will soon be of
variable length.

So explicitly clear the mask and set the first word, rather than using
assignment.

Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

1 files changed, 2 insertions, 1 deletions

diff --git a/arch/x86/kernel/apic/summit_32.c b/arch/x86/kernel/apic/summit_32.c
index dda0a77a36f..278e863c71b 100644
--- a/arch/x86/kernel/apic/summit_32.c
+++ b/arch/x86/kernel/apic/summit_32.c
@@ -352,7 +352,8 @@ static void summit_vector_allocation_domain(int cpu, cpumask_t *retmask)
          * deliver interrupts to the wrong hyperthread when only one
          * hyperthread was specified in the interrupt desitination.
          */
-        *retmask = (cpumask_t){ { [0] = APIC_ALL_CPUS, } };
+        cpumask_clear(retmask);
+        cpumask_bits(retmask)[0] = APIC_ALL_CPUS;
 }
 
 #ifdef CONFIG_X86_SUMMIT_NUMA