sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
[safe/jmp/linux-2.6] / net / ipv4 / tcp_probe.c
index 1c50959..59f5b5e 100644 (file)
@@ -153,12 +153,11 @@ static int tcpprobe_sprint(char *tbuf, int n)
                = ktime_to_timespec(ktime_sub(p->tstamp, tcp_probe.start));
 
        return snprintf(tbuf, n,
-                       "%lu.%09lu " NIPQUAD_FMT ":%u " NIPQUAD_FMT ":%u"
-                       " %d %#x %#x %u %u %u %u\n",
+                       "%lu.%09lu %pI4:%u %pI4:%u %d %#x %#x %u %u %u %u\n",
                        (unsigned long) tv.tv_sec,
                        (unsigned long) tv.tv_nsec,
-                       NIPQUAD(p->saddr), ntohs(p->sport),
-                       NIPQUAD(p->daddr), ntohs(p->dport),
+                       &p->saddr, ntohs(p->sport),
+                       &p->daddr, ntohs(p->dport),
                        p->length, p->snd_nxt, p->snd_una,
                        p->snd_cwnd, p->ssthresh, p->snd_wnd, p->srtt);
 }
@@ -166,9 +165,10 @@ static int tcpprobe_sprint(char *tbuf, int n)
 static ssize_t tcpprobe_read(struct file *file, char __user *buf,
                             size_t len, loff_t *ppos)
 {
-       int error = 0, cnt = 0;
+       int error = 0;
+       size_t cnt = 0;
 
-       if (!buf || len < 0)
+       if (!buf)
                return -EINVAL;
 
        while (cnt < len) {
@@ -190,19 +190,18 @@ static ssize_t tcpprobe_read(struct file *file, char __user *buf,
 
                width = tcpprobe_sprint(tbuf, sizeof(tbuf));
 
-               if (width < len)
+               if (cnt + width < len)
                        tcp_probe.tail = (tcp_probe.tail + 1) % bufsize;
 
                spin_unlock_bh(&tcp_probe.lock);
 
                /* if record greater than space available
                   return partial buffer (so far) */
-               if (width >= len)
+               if (cnt + width >= len)
                        break;
 
-               error = copy_to_user(buf + cnt, tbuf, width);
-               if (error)
-                       break;
+               if (copy_to_user(buf + cnt, tbuf, width))
+                       return -EFAULT;
                cnt += width;
        }
 
@@ -225,7 +224,7 @@ static __init int tcpprobe_init(void)
        if (bufsize < 0)
                return -EINVAL;
 
-       tcp_probe.log = kcalloc(sizeof(struct tcp_log), bufsize, GFP_KERNEL);
+       tcp_probe.log = kcalloc(bufsize, sizeof(struct tcp_log), GFP_KERNEL);
        if (!tcp_probe.log)
                goto err0;