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From: Michael Buesch <mb@bu3sch.de>
To: stable@kernel.org
Cc: netdev@vger.kernel.org, "linux-kernel" <linux-kernel@vger.kernel.org>
Subject: [PATCH stable] ssb: Fix context assertion in ssb_pcicore_dev_irqvecs_enable
Date: Sat, 7 Jun 2008 17:57:37 +0200	[thread overview]
Message-ID: <200806071757.38139.mb@bu3sch.de> (raw)

This fixes a context assertion in ssb that makes b44 print
out warnings on resume.

This fixes the following kernel oops:
http://www.kerneloops.org/oops.php?number=12732
http://www.kerneloops.org/oops.php?number=11410

Upstream commit is a3bafeedfff2ac5fa0a316bea4570e27900b6fcc

Signed-off-by: Michael Buesch <mb@bu3sch.de>


Index: linux-2.6.25.4/drivers/ssb/driver_pcicore.c
===================================================================
--- linux-2.6.25.4.orig/drivers/ssb/driver_pcicore.c	2008-05-22 16:35:41.000000000 +0200
+++ linux-2.6.25.4/drivers/ssb/driver_pcicore.c	2008-06-07 17:20:55.000000000 +0200
@@ -516,18 +516,18 @@ int ssb_pcicore_dev_irqvecs_enable(struc
 {
 	struct ssb_device *pdev = pc->dev;
 	struct ssb_bus *bus;
 	int err = 0;
 	u32 tmp;
 
-	might_sleep();
-
 	if (!pdev)
 		goto out;
 	bus = pdev->bus;
 
+	might_sleep_if(pdev->id.coreid != SSB_DEV_PCI);
+
 	/* Enable interrupts for this device. */
 	if (bus->host_pci &&
 	    ((pdev->id.revision >= 6) || (pdev->id.coreid == SSB_DEV_PCIE))) {
 		u32 coremask;
 
 		/* Calculate the "coremask" for the device. */

                 reply	other threads:[~2008-06-07 15:58 UTC|newest]

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