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Revert "don't copy back if an error was returned."

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This reverts commit 6671ad1917.

The vblank ioctl needs to update the userspace parameters when interrupted by
a signal, which was prevented by this. Let's see if this breaks other ioctls...
This commit is contained in:
Michel Dänzer 2008-06-03 11:27:39 +02:00
parent d5ae19ebcf
commit 6b520005c6
1 changed files with 1 additions and 1 deletions
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linux-core/drm_drv.c
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@ -655,7 +655,7 @@ long drm_unlocked_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
retcode = func(dev, kdata, file_priv);
}
if ((retcode == 0) && (cmd & IOC_OUT)) {
if (cmd & IOC_OUT) {
if (copy_to_user((void __user *)arg, kdata,
_IOC_SIZE(cmd)) != 0)
retcode = -EACCES;