linux-kernel - [144/262] tg3: negate USE

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Date:	Wed, 09 Nov 2011 13:27:46 -0800
From:	Greg KH <gregkh@...e.de>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:	torvalds@...ux-foundation.org, akpm@...ux-foundation.org,
	alan@...rguk.ukuu.org.uk, Jiri Pirko <jpirko@...hat.com>,
	Matt Carlson <mcarlson@...adcom.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: [144/262] tg3: negate USE_PHYLIB flag check

3.0-stable review patch.  If anyone has any objections, please let me know.

------------------


From: Jiri Pirko <jpirko@...hat.com>

[ Upstream commit e730c82347b9dc75914da998c44c3f348965db41 ]

USE_PHYLIB flag in tg3_remove_one() is being checked incorrectly. This
results tg3_phy_fini->phy_disconnect is never called and when tg3 module
is removed.

In my case this resulted in panics in phy_state_machine calling function
phydev->adjust_link.

So correct this check.

Signed-off-by: Jiri Pirko <jpirko@...hat.com>
Acked-by: Matt Carlson <mcarlson@...adcom.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...e.de>
---
 drivers/net/tg3.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -15278,7 +15278,7 @@ static void __devexit tg3_remove_one(str
 
 		cancel_work_sync(&tp->reset_task);
 
-		if (!tg3_flag(tp, USE_PHYLIB)) {
+		if (tg3_flag(tp, USE_PHYLIB)) {
 			tg3_phy_fini(tp);
 			tg3_mdio_fini(tp);
 		}


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