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| author | Christophe Leroy <christophe.leroy@c-s.fr> | 2019-12-23 15:31:07 +0100 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2020-01-14 12:20:46 +0100 |
| commit | 8463cf80529d0fd80b84cd5ab8b9b952b01c7eb9 (patch) | |
| tree | d51d8e8659466903b6de5a8c82f4efaff1513a8e /lib/vdso | |
| parent | x86/vdso: Remove unused VDSO_HAS_32BIT_FALLBACK (diff) | |
| download | linux-8463cf80529d0fd80b84cd5ab8b9b952b01c7eb9.tar.xz linux-8463cf80529d0fd80b84cd5ab8b9b952b01c7eb9.zip | |
lib/vdso: Let do_coarse() return 0 to simplify the callsite
do_coarse() is similar to do_hres() except that it never fails.
Change its type to int instead of void and let it always return success (0)
to simplify the call site.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/21e8afa38c02ca8672c2690307383507fe63b454.1577111367.git.christophe.leroy@c-s.fr
Diffstat (limited to 'lib/vdso')
| -rw-r--r-- | lib/vdso/gettimeofday.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/lib/vdso/gettimeofday.c b/lib/vdso/gettimeofday.c index b676a9845def..5a5ec899a21a 100644 --- a/lib/vdso/gettimeofday.c +++ b/lib/vdso/gettimeofday.c @@ -68,7 +68,7 @@ static int do_hres(const struct vdso_data *vd, clockid_t clk, return 0; } -static void do_coarse(const struct vdso_data *vd, clockid_t clk, +static int do_coarse(const struct vdso_data *vd, clockid_t clk, struct __kernel_timespec *ts) { const struct vdso_timestamp *vdso_ts = &vd->basetime[clk]; @@ -79,6 +79,8 @@ static void do_coarse(const struct vdso_data *vd, clockid_t clk, ts->tv_sec = vdso_ts->sec; ts->tv_nsec = vdso_ts->nsec; } while (unlikely(vdso_read_retry(vd, seq))); + + return 0; } static __maybe_unused int @@ -96,14 +98,13 @@ __cvdso_clock_gettime_common(clockid_t clock, struct __kernel_timespec *ts) * clocks are handled in the VDSO directly. */ msk = 1U << clock; - if (likely(msk & VDSO_HRES)) { + if (likely(msk & VDSO_HRES)) return do_hres(&vd[CS_HRES_COARSE], clock, ts); - } else if (msk & VDSO_COARSE) { - do_coarse(&vd[CS_HRES_COARSE], clock, ts); - return 0; - } else if (msk & VDSO_RAW) { + else if (msk & VDSO_COARSE) + return do_coarse(&vd[CS_HRES_COARSE], clock, ts); + else if (msk & VDSO_RAW) return do_hres(&vd[CS_RAW], clock, ts); - } + return -1; } |