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-rw-r--r--lib/vdso/gettimeofday.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/lib/vdso/gettimeofday.c b/lib/vdso/gettimeofday.c
index 32e568db6d5a..0271226aaa5c 100644
--- a/lib/vdso/gettimeofday.c
+++ b/lib/vdso/gettimeofday.c
@@ -71,6 +71,12 @@ static inline bool vdso_cycles_ok(u64 cycles)
}
#endif
+static __always_inline bool vdso_clockid_valid(clockid_t clock)
+{
+ /* Check for negative values or invalid clocks */
+ return likely((u32) clock < MAX_CLOCKS);
+}
+
#ifdef CONFIG_TIME_NS
#ifdef CONFIG_GENERIC_VDSO_DATA_STORE
@@ -268,8 +274,7 @@ __cvdso_clock_gettime_common(const struct vdso_time_data *vd, clockid_t clock,
const struct vdso_clock *vc = vd->clock_data;
u32 msk;
- /* Check for negative values or invalid clocks */
- if (unlikely((u32) clock >= MAX_CLOCKS))
+ if (!vdso_clockid_valid(clock))
return false;
/*
@@ -405,8 +410,7 @@ bool __cvdso_clock_getres_common(const struct vdso_time_data *vd, clockid_t cloc
u32 msk;
u64 ns;
- /* Check for negative values or invalid clocks */
- if (unlikely((u32) clock >= MAX_CLOCKS))
+ if (!vdso_clockid_valid(clock))
return false;
if (IS_ENABLED(CONFIG_TIME_NS) &&