[tip: timers/urgent] lib/vdso: Make __cvdso_clock_getres() static

[tip-bot2 for Vincenzo Frascino]

The following commit has been merged into the timers/urgent branch of tip:

Commit-ID:     ffd08731b2d632459428612431060cf902324a8d
Gitweb:        https://git.kernel.org/tip/ffd08731b2d632459428612431060cf902324a8d
Author:        Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
AuthorDate:    Thu, 28 Nov 2019 11:17:19 
Committer:     Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CommitterDate: Fri, 10 Jan 2020 19:29:01 +01:00

lib/vdso: Make __cvdso_clock_getres() static

Fix the following sparse warning in the generic vDSO library:

  linux/lib/vdso/gettimeofday.c:224:5: warning: symbol
  '__cvdso_clock_getres' was not declared. Should it be static?

Make it static and also mark it __maybe_unsed.

Fixes: 502a590a170b ("lib/vdso: Move fallback invocation to the callers")
Reported-by: Marc Gonzalez <marc.w.gonzalez@xxxxxxx>
Signed-off-by: Vincenzo Frascino <vincenzo.frascino@xxxxxxx>
Signed-off-by: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20191128111719.8282-1-vincenzo.frascino@xxxxxxx
---
 lib/vdso/gettimeofday.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/lib/vdso/gettimeofday.c b/lib/vdso/gettimeofday.c
index 9ecfd3b..42bd8ab 100644
--- a/lib/vdso/gettimeofday.c
+++ b/lib/vdso/gettimeofday.c
@@ -221,6 +221,7 @@ int __cvdso_clock_getres_common(clockid_t clock, struct __kernel_timespec *res)
 	return 0;
 }
 
+static __maybe_unused
 int __cvdso_clock_getres(clockid_t clock, struct __kernel_timespec *res)
 {
 	int ret = __cvdso_clock_getres_common(clock, res);