arm64/uao: fix compiler warning

Adding a 'return 0' to fix a compiler warning

arch/arm64/mm/fault.c: In function 'cpu_enable_uao':
arch/arm64/mm/fault.c:689:1: warning: control reaches end of non-void
function [-Wreturn-type]

That was introduced by a conflict fix.

Signed-off-by: Alex Shi <alex.shi@linaro.org>

diff --git a/arch/arm64/mm/fault.c b/arch/arm64/mm/fault.c
index 18e5a2c3d5546ff0bf7c1e809d2817ad53ac348a..100204bb9678e0c37b802c928b1f987ea7b440a7 100644 (file)
--- a/arch/arm64/mm/fault.c
+++ b/arch/arm64/mm/fault.c
@@ -667,5 +667,6 @@ int cpu_enable_pan(void *__unused)
 int cpu_enable_uao(void *__unused)
 {
        asm(SET_PSTATE_UAO(1));
+       return 0;
 }
 #endif /* CONFIG_ARM64_UAO */