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authoraxel lin <axel.lin@gmail.com>2011-01-14 09:39:11 +0000
committerPaul Mundt <lethal@linux-sh.org>2011-01-18 13:40:34 +0900
commit0b7f1cc79d61427961e311c6a21f528bdb226e40 (patch)
tree773b512ff69f55966af6ba0cc69bd82d85723b64 /drivers/video/pxa3xx-gcu.c
parent6c9571f4b759717e1c938cbc6b53ec8ce5813245 (diff)
video: pxa3xx-gcu: Return -EFAULT when copy_from_user() fails
Return -EFAULT instead of number of bytes that could not be copied if copy_from_user() fails. Also fix a typo in the comments. Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'drivers/video/pxa3xx-gcu.c')
-rw-r--r--drivers/video/pxa3xx-gcu.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/video/pxa3xx-gcu.c b/drivers/video/pxa3xx-gcu.c
index b81168df253d..cf4beb9dc9bb 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;