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authorDeepa Dinamani <deepa.kernel@gmail.com>2018-06-17 07:11:44 +0200
committerThomas Gleixner <tglx@linutronix.de>2018-06-24 14:39:47 +0200
commit6ff84735070276d72af716e21c3214ee20d60e70 (patch)
treec01318c2ab8bd85792d81d50104541468706fcd3 /fs/timerfd.c
parenttime: Enable get/put_compat_itimerspec64 always (diff)
downloadlinux-6ff84735070276d72af716e21c3214ee20d60e70.tar.xz
linux-6ff84735070276d72af716e21c3214ee20d60e70.zip
time: Change types to new y2038 safe __kernel_itimerspec
timer_set/gettime and timerfd_set/get apis use struct itimerspec at the user interface layer. struct itimerspec is not y2038-safe. Change these interfaces to use y2038-safe struct __kernel_itimerspec instead. This will help define new syscalls when 32bit architectures select CONFIG_64BIT_TIME. Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: arnd@arndb.de Cc: viro@zeniv.linux.org.uk Cc: linux-fsdevel@vger.kernel.org Cc: linux-api@vger.kernel.org Cc: y2038@lists.linaro.org Link: https://lkml.kernel.org/r/20180617051144.29756-4-deepa.kernel@gmail.com
Diffstat (limited to 'fs/timerfd.c')
-rw-r--r--fs/timerfd.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/timerfd.c b/fs/timerfd.c
index d84a2bee4f82..8bb926253f88 100644
--- a/fs/timerfd.c
+++ b/fs/timerfd.c
@@ -533,8 +533,8 @@ static int do_timerfd_gettime(int ufd, struct itimerspec64 *t)
}
SYSCALL_DEFINE4(timerfd_settime, int, ufd, int, flags,
- const struct itimerspec __user *, utmr,
- struct itimerspec __user *, otmr)
+ const struct __kernel_itimerspec __user *, utmr,
+ struct __kernel_itimerspec __user *, otmr)
{
struct itimerspec64 new, old;
int ret;
@@ -550,7 +550,7 @@ SYSCALL_DEFINE4(timerfd_settime, int, ufd, int, flags,
return ret;
}
-SYSCALL_DEFINE2(timerfd_gettime, int, ufd, struct itimerspec __user *, otmr)
+SYSCALL_DEFINE2(timerfd_gettime, int, ufd, struct __kernel_itimerspec __user *, otmr)
{
struct itimerspec64 kotmr;
int ret = do_timerfd_gettime(ufd, &kotmr);
@@ -559,7 +559,7 @@ SYSCALL_DEFINE2(timerfd_gettime, int, ufd, struct itimerspec __user *, otmr)
return put_itimerspec64(&kotmr, otmr) ? -EFAULT : 0;
}
-#ifdef CONFIG_COMPAT
+#ifdef CONFIG_COMPAT_32BIT_TIME
COMPAT_SYSCALL_DEFINE4(timerfd_settime, int, ufd, int, flags,
const struct compat_itimerspec __user *, utmr,
struct compat_itimerspec __user *, otmr)