staging: ft1000: fix kernel info leak to userland for statistics

get_stat_data is not fully initialized before copy_to_user() call,
e.g. LedStat is not always set.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Vasiliy Kulikov 2010-10-03 21:22:48 +04:00 committed by Greg Kroah-Hartman
parent b7378b9ed6
commit 86ee1e49cf
1 changed files with 1 additions and 1 deletions

View File

@ -616,7 +616,7 @@ static long ft1000_ChIoctl (struct file *File, unsigned int Command,
break;
case IOCTL_GET_DSP_STAT_CMD:
//DEBUG("FT1000:ft1000_ChIoctl: IOCTL_FT1000_GET_DSP_STAT called\n");
memset(&get_stat_data, 0, sizeof(get_stat_data));
memcpy(get_stat_data.DspVer, info->DspVer, DSPVERSZ);
memcpy(get_stat_data.HwSerNum, info->HwSerNum, HWSERNUMSZ);
memcpy(get_stat_data.Sku, info->Sku, SKUSZ);