arm64: percpu: Initialize ret in the default case

[sfrench/cifs-2.6.git] / arch / arm64 / include / asm / percpu.h

diff --git a/arch/arm64/include/asm/percpu.h b/arch/arm64/include/asm/percpu.h
index 9234013e759e56a9ebd5c326cab49bd7c66df323..21a81b59a0ccd5419be92ec6e661a3e05e5820ff 100644 (file)
--- a/arch/arm64/include/asm/percpu.h
+++ b/arch/arm64/include/asm/percpu.h
@@ -96,6 +96,7 @@ static inline unsigned long __percpu_##op(void *ptr,                  \
                : [val] "Ir" (val));                                    \
                break;                                                  \
        default:                                                        \
+               ret = 0;                                                \
                BUILD_BUG();                                            \
        }                                                               \
                                                                        \
@@ -125,6 +126,7 @@ static inline unsigned long __percpu_read(void *ptr, int size)
                ret = READ_ONCE(*(u64 *)ptr);
                break;
        default:
+               ret = 0;
                BUILD_BUG();
        }
 
@@ -194,6 +196,7 @@ static inline unsigned long __percpu_xchg(void *ptr, unsigned long val,
                : [val] "r" (val));
                break;
        default:
+               ret = 0;
                BUILD_BUG();
        }