diff options
| author | Alan Hourihane <alanh@fairlite.demon.co.uk> | 2007-09-26 15:38:54 +0100 |
|---|---|---|
| committer | Alan Hourihane <alanh@fairlite.demon.co.uk> | 2007-09-26 15:39:34 +0100 |
| commit | b2c4c7ae5e14598dbb8c1de32918ec9cc8dde7c9 (patch) | |
| tree | a10eec3c00505e41c0b0ed66b01c05eb65c5b694 /linux-core | |
| parent | 972ec4fa25059c84ed103c28efcb17f9f97a6d74 (diff) | |
don't copy back if an error was returned.
Diffstat (limited to 'linux-core')
| -rw-r--r-- | linux-core/drm_drv.c | 2 |
1 files changed, 1 insertions, 1 deletions
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; |