32-bit compatibility for various timer-related system calls.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/kernel/linux32.c b/arch/mips/kernel/linux32.c
index 120dd897162e077c8b501d803234d81421dd38af..e8e886dd52d6af9db48204dfef710cfc999fdc3d 100644 (file)
--- a/arch/mips/kernel/linux32.c
+++ b/arch/mips/kernel/linux32.c
@@ -1418,3 +1418,53 @@ asmlinkage long sys32_socketcall(int call, unsigned int *args32)
        }
        return err;
 }
+
+struct sigevent32 {
+       u32 sigev_value;
+       u32 sigev_signo;
+       u32 sigev_notify;
+       u32 payload[(64 / 4) - 3];
+};
+
+extern asmlinkage long
+sys_timer_create(clockid_t which_clock,
+                struct sigevent __user *timer_event_spec,
+                timer_t __user * created_timer_id);
+
+long
+sys32_timer_create(u32 clock, struct sigevent32 __user *se32, timer_t __user *timer_id)
+{
+       struct sigevent __user *p = NULL;
+       if (se32) {
+               struct sigevent se;
+               p = compat_alloc_user_space(sizeof(struct sigevent));
+               memset(&se, 0, sizeof(struct sigevent));
+               if (get_user(se.sigev_value.sival_int,  &se32->sigev_value) ||
+                   __get_user(se.sigev_signo, &se32->sigev_signo) ||
+                   __get_user(se.sigev_notify, &se32->sigev_notify) ||
+                   __copy_from_user(&se._sigev_un._pad, &se32->payload,
+                                    sizeof(se32->payload)) ||
+                   copy_to_user(p, &se, sizeof(se)))
+                       return -EFAULT;
+       }
+       return sys_timer_create(clock, p, timer_id);
+}
+
+asmlinkage long
+sysn32_rt_sigtimedwait(const sigset_t __user *uthese,
+                      siginfo_t __user *uinfo,
+                      const struct compat_timespec __user *uts32,
+                      size_t sigsetsize)
+{
+       struct timespec __user *uts = NULL;
+
+       if (uts32) {
+               struct timespec ts;
+               uts = compat_alloc_user_space(sizeof(struct timespec));
+               if (get_user(ts.tv_sec, &uts32->tv_sec) ||
+                   get_user(ts.tv_nsec, &uts32->tv_nsec) ||
+                   copy_to_user (uts, &ts, sizeof (ts)))
+                       return -EFAULT;
+       }
+       return sys_rt_sigtimedwait(uthese, uinfo, uts, sigsetsize);
+}

diff --git a/arch/mips/kernel/scall64-n32.S b/arch/mips/kernel/scall64-n32.S
index 982248a1739367effd11ce2c71afd6859c7bb9c0..e797f15bc0f029004cba99b7504ad508b0a3bf50 100644 (file)
--- a/arch/mips/kernel/scall64-n32.S
+++ b/arch/mips/kernel/scall64-n32.S
@@ -243,8 +243,8 @@ EXPORT(sysn32_call_table)
        PTR     sys_capget
        PTR     sys_capset
        PTR     sys32_rt_sigpending             /* 6125 */
-       PTR     compat_sys_rt_sigtimedwait
-       PTR     sys32_rt_sigqueueinfo
+       PTR     sysn32_rt_sigtimedwait
+       PTR     sys_rt_sigqueueinfo
        PTR     sys32_rt_sigsuspend
        PTR     sys32_sigaltstack
        PTR     compat_sys_utime                /* 6130 */
@@ -337,15 +337,15 @@ EXPORT(sysn32_call_table)
        PTR     compat_sys_statfs64
        PTR     compat_sys_fstatfs64
        PTR     sys_sendfile64
-       PTR     sys_timer_create                /* 6220 */
-       PTR     sys_timer_settime
-       PTR     sys_timer_gettime
+       PTR     sys32_timer_create              /* 6220 */
+       PTR     compat_sys_timer_settime
+       PTR     compat_sys_timer_gettime
        PTR     sys_timer_getoverrun
        PTR     sys_timer_delete
-       PTR     sys_clock_settime               /* 6225 */
-       PTR     sys_clock_gettime
-       PTR     sys_clock_getres
-       PTR     sys_clock_nanosleep
+       PTR     compat_sys_clock_settime                /* 6225 */
+       PTR     compat_sys_clock_gettime
+       PTR     compat_sys_clock_getres
+       PTR     compat_sys_clock_nanosleep
        PTR     sys_tgkill
        PTR     compat_sys_utimes               /* 6230 */
        PTR     sys_ni_syscall                  /* sys_mbind */

diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index 00e0d2b8fd8ea97f423f932b7ccb80b31fedf5e8..1017176bdce9d6aaaaa0d7dc516dc4fc183caa9b 100644 (file)
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -459,7 +459,7 @@ sys_call_table:
        PTR     sys_fadvise64_64
        PTR     compat_sys_statfs64             /* 4255 */
        PTR     compat_sys_fstatfs64
-       PTR     sys_timer_create
+       PTR     sys32_timer_create
        PTR     compat_sys_timer_settime
        PTR     compat_sys_timer_gettime
        PTR     sys_timer_getoverrun            /* 4260 */