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authorVasiliy Kulikov2010-10-03 19:22:48 +0200
committerGreg Kroah-Hartman2010-10-05 20:42:20 +0200
commit86ee1e49cf8bd07d4e849be8f056c6bc179686b8 (patch)
tree0a55aeb8db9c6522069acd2c76b8e992db6d2ceb /drivers/staging
parentstaging: ft1000: fix error path (diff)
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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>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
index 46e72e4b91fd..3325e8765390 100644
--- a/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
+++ b/drivers/staging/ft1000/ft1000-usb/ft1000_chdev.c
@@ -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);