linux-kernel - [PATCH 4/4] pci: Remove bogus check of proc dir entry usage.

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Date:	Fri, 04 Sep 2009 12:28:03 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	<linux-mm@...ck.org>, <linux-kernel@...r.kernel.org>,
	<linux-fsdevel@...r.kernel.org>,
	Alexey Dobriyan <adobriyan@...il.com>,
	Greg Kroah-Hartman <gregkh@...e.de>, Tejun Heo <tj@...nel.org>
Subject: [PATCH 4/4] pci: Remove bogus check of proc dir entry usage.


This check prevents /proc/bus/pci/*/* from being removed when
pci devices are hot unpluged and someone happens to have it open.
This is not a problem because proc handles this case properly.

Signed-off-by: Eric W. Biederman <ebiederm@...stanetworks.com>
---
 drivers/pci/proc.c |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index 593bb84..afd2a6a 100644
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -430,8 +430,6 @@ int pci_proc_detach_device(struct pci_dev *dev)
 	struct proc_dir_entry *e;
 
 	if ((e = dev->procent)) {
-		if (atomic_read(&e->count) > 1)
-			return -EBUSY;
 		remove_proc_entry(e->name, dev->bus->procdir);
 		dev->procent = NULL;
 	}
-- 
1.6.2.5

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