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-rw-r--r--linux-core/drm_drv.c2
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;