diff options
Diffstat (limited to 'net/dccp/probe.c')
-rw-r--r-- | net/dccp/probe.c | 19 |
1 files changed, 7 insertions, 12 deletions
diff --git a/net/dccp/probe.c b/net/dccp/probe.c index 7053bb8..0bcdc92 100644 --- a/net/dccp/probe.c +++ b/net/dccp/probe.c @@ -46,29 +46,24 @@ struct { struct kfifo *fifo; spinlock_t lock; wait_queue_head_t wait; - struct timeval tstart; + struct timespec tstart; } dccpw; static void printl(const char *fmt, ...) { va_list args; int len; - struct timeval now; + struct timespec now; char tbuf[256]; va_start(args, fmt); - do_gettimeofday(&now); + getnstimeofday(&now); - now.tv_sec -= dccpw.tstart.tv_sec; - now.tv_usec -= dccpw.tstart.tv_usec; - if (now.tv_usec < 0) { - --now.tv_sec; - now.tv_usec += 1000000; - } + now = timespec_sub(now, dccpw.tstart); len = sprintf(tbuf, "%lu.%06lu ", (unsigned long) now.tv_sec, - (unsigned long) now.tv_usec); + (unsigned long) now.tv_nsec / NSEC_PER_USEC); len += vscnprintf(tbuf+len, sizeof(tbuf)-len, fmt, args); va_end(args); @@ -119,7 +114,7 @@ static struct jprobe dccp_send_probe = { static int dccpprobe_open(struct inode *inode, struct file *file) { kfifo_reset(dccpw.fifo); - do_gettimeofday(&dccpw.tstart); + getnstimeofday(&dccpw.tstart); return 0; } @@ -145,7 +140,7 @@ static ssize_t dccpprobe_read(struct file *file, char __user *buf, goto out_free; cnt = kfifo_get(dccpw.fifo, tbuf, len); - error = copy_to_user(buf, tbuf, cnt); + error = copy_to_user(buf, tbuf, cnt) ? -EFAULT : 0; out_free: vfree(tbuf); |