From b2c4c7ae5e14598dbb8c1de32918ec9cc8dde7c9 Mon Sep 17 00:00:00 2001 From: Alan Hourihane Date: Wed, 26 Sep 2007 15:38:54 +0100 Subject: don't copy back if an error was returned. --- linux-core/drm_drv.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'linux-core') diff --git a/linux-core/drm_drv.c b/linux-core/drm_drv.c index 5d2745e2..e991f117 100644 --- a/linux-core/drm_drv.c +++ b/linux-core/drm_drv.c @@ -660,7 +660,7 @@ long drm_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg) retcode = func(dev, kdata, file_priv); } - if (cmd & IOC_OUT) { + if ((retcode == 0) && cmd & IOC_OUT) { if (copy_to_user((void __user *)arg, kdata, _IOC_SIZE(cmd)) != 0) retcode = -EACCES; -- cgit v1.2.3