y2038: ipc: Use ktime_get_real_seconds consistently
In some places, we still used get_seconds() instead of
ktime_get_real_seconds(), and I'm changing the remaining ones now to
all use ktime_get_real_seconds() so we use the full available range for
timestamps instead of overflowing the 'unsigned long' return value in
year 2106 on 32-bit kernels.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
diff --git a/ipc/sem.c b/ipc/sem.c
index 06be75d..c6a8a97 100644
--- a/ipc/sem.c
+++ b/ipc/sem.c
@@ -104,7 +104,7 @@ struct sem {
/* that alter the semaphore */
struct list_head pending_const; /* pending single-sop operations */
/* that do not alter the semaphore*/
- time_t sem_otime; /* candidate for sem_otime */
+ time64_t sem_otime; /* candidate for sem_otime */
} ____cacheline_aligned_in_smp;
/* One sem_array data structure for each set of semaphores in the system. */
@@ -984,10 +984,10 @@ static int update_queue(struct sem_array *sma, int semnum, struct wake_q_head *w
static void set_semotime(struct sem_array *sma, struct sembuf *sops)
{
if (sops == NULL) {
- sma->sems[0].sem_otime = get_seconds();
+ sma->sems[0].sem_otime = ktime_get_real_seconds();
} else {
sma->sems[sops[0].sem_num].sem_otime =
- get_seconds();
+ ktime_get_real_seconds();
}
}