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authorDeepa Dinamani <deepa.kernel@gmail.com>2018-06-16 22:11:43 -0700
committerThomas Gleixner <tglx@linutronix.de>2018-06-24 14:39:47 +0200
commitafef05cf238cfcecdc5ea9b06f31027b13ce6214 (patch)
tree043971451082d1059b569096d560c34fbaee895a /kernel/time
parentd0dd63a8aee1ef89f2e48e554b796b9f9e4fcadb (diff)
downloadlinux-afef05cf238cfcecdc5ea9b06f31027b13ce6214.tar.bz2
time: Enable get/put_compat_itimerspec64 always
This will aid in enabling the compat syscalls on 32-bit architectures later on. Also move compat_itimerspec and related defines to compat_time.h. The compat_time.h file will eventually be deleted. 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/20180617051144.29756-3-deepa.kernel@gmail.com
Diffstat (limited to 'kernel/time')
-rw-r--r--kernel/time/time.c21
1 files changed, 21 insertions, 0 deletions
diff --git a/kernel/time/time.c b/kernel/time/time.c
index c0195225fdce..72caf051901c 100644
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -955,3 +955,24 @@ int put_itimerspec64(const struct itimerspec64 *it,
return ret;
}
EXPORT_SYMBOL_GPL(put_itimerspec64);
+
+int get_compat_itimerspec64(struct itimerspec64 *its,
+ const struct compat_itimerspec __user *uits)
+{
+
+ if (__compat_get_timespec64(&its->it_interval, &uits->it_interval) ||
+ __compat_get_timespec64(&its->it_value, &uits->it_value))
+ return -EFAULT;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(get_compat_itimerspec64);
+
+int put_compat_itimerspec64(const struct itimerspec64 *its,
+ struct compat_itimerspec __user *uits)
+{
+ if (__compat_put_timespec64(&its->it_interval, &uits->it_interval) ||
+ __compat_put_timespec64(&its->it_value, &uits->it_value))
+ return -EFAULT;
+ return 0;
+}
+EXPORT_SYMBOL_GPL(put_compat_itimerspec64);