block: cciss: fix information leak to userland

[mv-sheeva.git] / drivers / block / cciss.c

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index f09e6df15aa7f8e9c6f5842920e43eee3819f21b..13d87a031c88fc6ec76b82b335d79aef1341543c 100644 (file)
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1184,6 +1184,7 @@ static int cciss_ioctl32_big_passthru(struct block_device *bdev, fmode_t mode,
        int err;
        u32 cp;
 
+       memset(&arg64, 0, sizeof(arg64));
        err = 0;
        err |=
            copy_from_user(&arg64.LUN_info, &arg32->LUN_info,