1 files changed, 18 insertions, 3 deletions

diff --git a/fs/compat.c b/fs/compat.c
index 7e7e5bc4f3cf..ce982f6e8c80 100644
--- a/fs/compat.c
+++ b/fs/compat.c
@@ -55,6 +55,20 @@
 
 extern void sigset_from_compat(sigset_t *set, compat_sigset_t *compat);
 
+int compat_log = 1;
+
+int compat_printk(const char *fmt, ...)
+{
+        va_list ap;
+        int ret;
+        if (!compat_log)
+                return 0;
+        va_start(ap, fmt);
+        ret = vprintk(fmt, ap);
+        va_end(ap);
+        return ret;
+}
+
 /*
  * Not all architectures have sys_utime, so implement this in terms
  * of sys_utimes.
@@ -359,7 +373,7 @@ static void compat_ioctl_error(struct file *filp, unsigned int fd,
         sprintf(buf,"'%c'", (cmd>>24) & 0x3f);
         if (!isprint(buf[1]))
                 sprintf(buf, "%02x", buf[1]);
-        printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
+        compat_printk("ioctl32(%s:%d): Unknown cmd fd(%d) "
                         "cmd(%08x){%s} arg(%08x) on %s\n",
                         current->comm, current->pid,
                         (int)fd, (unsigned int)cmd, buf,
@@ -1841,7 +1855,7 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp,
 
         } while (!ret && !timeout && tsp && (ts.tv_sec || ts.tv_nsec));
 
-        if (tsp && !(current->personality & STICKY_TIMEOUTS)) {
+        if (ret == 0 && tsp && !(current->personality & STICKY_TIMEOUTS)) {
                 struct compat_timespec rts;
 
                 rts.tv_sec = timeout / HZ;
@@ -1852,7 +1866,8 @@ asmlinkage long compat_sys_pselect7(int n, compat_ulong_t __user *inp,
                 }
                 if (compat_timespec_compare(&rts, &ts) >= 0)
                         rts = ts;
-                copy_to_user(tsp, &rts, sizeof(rts));
+                if (copy_to_user(tsp, &rts, sizeof(rts)))
+                        ret = -EFAULT;
         }
 
         if (ret == -ERESTARTNOHAND) {