[PATCH] video: pxa3xx-gcu: Return -EFAULT when copy_from_user() fails
From: Axel Lin <hidden>
Date: 2011-01-14 09:39:22
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 <redacted> --- drivers/video/pxa3xx-gcu.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-)
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;
--
1.7.2