From: Paul Fulghum Add ability to clear statistics. Signed-off-by: Paul Fulghum Signed-off-by: Andrew Morton --- drivers/char/synclinkmp.c | 14 ++++++++------ 1 files changed, 8 insertions(+), 6 deletions(-) diff -puN drivers/char/synclinkmp.c~synclinkmpc-add-statistics-clear drivers/char/synclinkmp.c --- 25/drivers/char/synclinkmp.c~synclinkmpc-add-statistics-clear Wed Sep 7 15:52:12 2005 +++ 25-akpm/drivers/char/synclinkmp.c Wed Sep 7 15:52:12 2005 @@ -2749,6 +2749,8 @@ static int startup(SLMP_INFO * info) info->pending_bh = 0; + memset(&info->icount, 0, sizeof(info->icount)); + /* program hardware for current parameters */ reset_port(info); @@ -2952,12 +2954,12 @@ static int get_stats(SLMP_INFO * info, s printk("%s(%d):%s get_params()\n", __FILE__,__LINE__, info->device_name); - COPY_TO_USER(err,user_icount, &info->icount, sizeof(struct mgsl_icount)); - if (err) { - if ( debug_level >= DEBUG_LEVEL_INFO ) - printk( "%s(%d):%s get_stats() user buffer copy failed\n", - __FILE__,__LINE__,info->device_name); - return -EFAULT; + if (!user_icount) { + memset(&info->icount, 0, sizeof(info->icount)); + } else { + COPY_TO_USER(err, user_icount, &info->icount, sizeof(struct mgsl_icount)); + if (err) + return -EFAULT; } return 0; _