floppy: don't write kernel-only members to FDRAWCMD ioctl output

[pandora-kernel.git] / drivers / block / floppy.c

diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 12251a6..fa9bb74 100644 (file)
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -3067,7 +3067,10 @@ static int raw_cmd_copyout(int cmd, void __user *param,
        int ret;
 
        while (ptr) {
-               ret = copy_to_user(param, ptr, sizeof(*ptr));
+               struct floppy_raw_cmd cmd = *ptr;
+               cmd.next = NULL;
+               cmd.kernel_data = NULL;
+               ret = copy_to_user(param, &cmd, sizeof(cmd));
                if (ret)
                        return -EFAULT;
                param += sizeof(struct floppy_raw_cmd);