diff mbox

video: pxa3xx-gcu: Return -EFAULT when copy_from_user() fails

Message ID 1294997951.12295.1.camel@mola (mailing list archive)
State Accepted
Commit 0b7f1cc79d61427961e311c6a21f528bdb226e40
Headers show

Commit Message

axel lin Jan. 14, 2011, 9:39 a.m. UTC
None
diff mbox

Patch

diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c
index b81168d..cf4beb9 100644
--- a/drivers/video/pxa3xx-gcu.c
+++ b/drivers/video/pxa3xx-gcu.c
@@ -1,5 +1,5 @@ 
 /*
- *  pxa3xx-gc.c - Linux kernel module for PXA3xx graphics controllers
+ *  pxa3xx-gcu.c - Linux kernel module for PXA3xx graphics controllers
  *
  *  This driver needs a DirectFB counterpart in user space, communication
  *  is handled via mmap()ed memory areas and an ioctl.
@@ -421,7 +421,7 @@  pxa3xx_gcu_misc_write(struct file *filp, const char *buff,
 		buffer->next = priv->free;
 		priv->free = buffer;
 		spin_unlock_irqrestore(&priv->spinlock, flags);
-		return ret;
+		return -EFAULT;
 	}
 
 	buffer->length = words;