[PATCH] s390 (2/7): 31 bit compat.

Martin Schwidefsky (schwidefsky@de.ibm.com)
Fri, 27 Jun 2003 17:04:48 +0200


- Add missing includes to compat_ioctl.c.
- Fix 32 bit emulation of sys_settimeofday.

diffstat:
arch/s390/kernel/compat_ioctl.c | 3 +++
arch/s390/kernel/compat_linux.c | 21 +++++++++++++++++----
include/asm-s390/compat.h | 1 +
3 files changed, 21 insertions(+), 4 deletions(-)

diff -urN linux-2.5/arch/s390/kernel/compat_ioctl.c linux-2.5-s390/arch/s390/kernel/compat_ioctl.c
--- linux-2.5/arch/s390/kernel/compat_ioctl.c Sun Jun 22 20:32:58 2003
+++ linux-2.5-s390/arch/s390/kernel/compat_ioctl.c Fri Jun 27 16:04:37 2003
@@ -42,12 +42,15 @@
#include <linux/random.h>
#include <linux/raw.h>
#include <linux/route.h>
+#include <linux/rtc.h>
#include <linux/vt.h>
#include <linux/watchdog.h>

#include <linux/auto_fs.h>
+#include <linux/auto_fs4.h>
#include <linux/devfs_fs.h>
#include <linux/ext2_fs.h>
+#include <linux/ncp_fs.h>
#include <linux/smb_fs.h>

#include <linux/if_bonding.h>
diff -urN linux-2.5/arch/s390/kernel/compat_linux.c linux-2.5-s390/arch/s390/kernel/compat_linux.c
--- linux-2.5/arch/s390/kernel/compat_linux.c Sun Jun 22 20:33:08 2003
+++ linux-2.5-s390/arch/s390/kernel/compat_linux.c Fri Jun 27 16:04:37 2003
@@ -2193,7 +2193,6 @@
sorts of things, like timeval and itimerval. */

extern struct timezone sys_tz;
-extern int do_sys_settimeofday(struct timeval *tv, struct timezone *tz);

asmlinkage int sys32_gettimeofday(struct compat_timeval *tv, struct timezone *tz)
{
@@ -2210,13 +2209,27 @@
return 0;
}

+static inline long get_ts32(struct timespec *o, struct compat_timeval *i)
+{
+ long usec;
+
+ if (!access_ok(VERIFY_READ, i, sizeof(*i)))
+ return -EFAULT;
+ if (__get_user(o->tv_sec, &i->tv_sec))
+ return -EFAULT;
+ if (__get_user(usec, &i->tv_usec))
+ return -EFAULT;
+ o->tv_nsec = usec * 1000;
+ return 0;
+}
+
asmlinkage int sys32_settimeofday(struct compat_timeval *tv, struct timezone *tz)
{
- struct timeval ktv;
+ struct timespec kts;
struct timezone ktz;

if (tv) {
- if (get_tv32(&ktv, tv))
+ if (get_ts32(&kts, tv))
return -EFAULT;
}
if (tz) {
@@ -2224,7 +2237,7 @@
return -EFAULT;
}

- return do_sys_settimeofday(tv ? &ktv : NULL, tz ? &ktz : NULL);
+ return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
}

asmlinkage int sys_utimes(char *, struct timeval *);
diff -urN linux-2.5/include/asm-s390/compat.h linux-2.5-s390/include/asm-s390/compat.h
--- linux-2.5/include/asm-s390/compat.h Sun Jun 22 20:32:34 2003
+++ linux-2.5-s390/include/asm-s390/compat.h Fri Jun 27 16:04:37 2003
@@ -94,6 +94,7 @@
s32 f_ffree;
compat_fsid_t f_fsid;
s32 f_namelen;
+ s32 f_frsize;
s32 f_spare[6];
};

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/