Messages in this thread Patch in this message | | | Date | Tue, 25 Sep 2012 10:05:33 +0300 | From | Dan Carpenter <> | Subject | [patch 3/3] remoteproc: return -EFAULT on copy_from_user failure |
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copy_from_user() returns the number of bytes remaining to be copied, but we want to return an error code here.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
diff --git a/drivers/remoteproc/remoteproc_debugfs.c b/drivers/remoteproc/remoteproc_debugfs.c index ea90a56..157a573 100644 --- a/drivers/remoteproc/remoteproc_debugfs.c +++ b/drivers/remoteproc/remoteproc_debugfs.c @@ -161,7 +161,7 @@ rproc_recovery_write(struct file *filp, const char __user *user_buf, ret = copy_from_user(buf, user_buf, count); if (ret) - return ret; + return -EFAULT; /* remove end of line */ if (buf[count - 1] == '\n')
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