CVE-2013-2164_fix.patch

diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index d620b44..8a3aff7 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2882,7 +2882,7 @@ static noinline int mmc_ioctl_cdrom_read_data(struct cdrom_device_info *cdi,
    if (lba < 0)
        return -EINVAL;
 
-   cgc->buffer = kmalloc(blocksize, GFP_KERNEL);
+   cgc->buffer = kzalloc(blocksize, GFP_KERNEL);
    if (cgc->buffer == NULL)
        return -ENOMEM;