This patch splits out the guts of the clock_getres syscall and changes the clock_getres syscall implementation to prepare the converting to 64bit methods for the clock_getres syscall function in posix-timers.c file.
Signed-off-by: Baolin Wang baolin.wang@linaro.org --- kernel/time/posix-timers.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-)
diff --git a/kernel/time/posix-timers.c b/kernel/time/posix-timers.c index 9b5352a..3bb5bee 100644 --- a/kernel/time/posix-timers.c +++ b/kernel/time/posix-timers.c @@ -1180,17 +1180,23 @@ SYSCALL_DEFINE2(clock_adjtime, const clockid_t, which_clock, return err; }
-SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock, - struct timespec __user *, tp) +static int __clock_getres(clockid_t which_clock, struct timespec *ts) { struct k_clock *kc = clockid_to_kclock(which_clock); - struct timespec rtn_tp; - int error;
if (!kc) return -EINVAL;
- error = kc->clock_getres(which_clock, &rtn_tp); + return kc->clock_getres(which_clock, ts); +} + +SYSCALL_DEFINE2(clock_getres, const clockid_t, which_clock, + struct timespec __user *, tp) +{ + struct timespec rtn_tp; + int error; + + error = __clock_getres(which_clock, &rtn_tp);
if (!error && tp && copy_to_user(tp, &rtn_tp, sizeof (rtn_tp))) error = -EFAULT;