From: 黄涛 <huangtao@rock-chips.com>
Date: Tue, 13 Dec 2011 02:35:49 +0000 (+0800)
Subject: Revert "Revert "drivers: misc: pass miscdevice pointer via file private data""
X-Git-Tag: firefly_0821_release~9712^2~8
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=d49cd7d1e1b6e3a4fdc22c351063abae679567c4;p=firefly-linux-kernel-4.4.55.git

Revert "Revert "drivers: misc: pass miscdevice pointer via file private data""

This reverts commit 932cf8f1d4f17c38804c0b0a0237d5718bd8d5ac.
---

diff --git a/drivers/char/misc.c b/drivers/char/misc.c
index d8efcf171693..778273c93242 100644
--- a/drivers/char/misc.c
+++ b/drivers/char/misc.c
@@ -144,6 +144,7 @@ static int misc_open(struct inode * inode, struct file * file)
 	old_fops = file->f_op;
 	file->f_op = new_fops;
 	if (file->f_op->open) {
+		file->private_data = c;
 		err=file->f_op->open(inode,file);
 		if (err) {
 			fops_put(file->f_op);