aboutsummaryrefslogtreecommitdiff
path: root/drivers/char/synclinkmp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/char/synclinkmp.c')
-rw-r--r--drivers/char/synclinkmp.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index d55dbf1f9e1..eb31a3b865d 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -2748,6 +2748,8 @@ 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);
@@ -2951,12 +2953,12 @@ static int get_stats(SLMP_INFO * info, struct mgsl_icount __user *user_icount)
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;