linux-kernel - [tip:x86/platform] x86/pci/intel_mid

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <tip-2a61c8eaf1879db99286c3f5fe5e78086c7edb85@git.kernel.org>
Date:	Wed, 29 Jul 2015 12:36:56 -0700
From:	tip-bot for Andy Shevchenko <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	mingo@...nel.org, linux-kernel@...r.kernel.org,
	andriy.shevchenko@...ux.intel.com, tglx@...utronix.de,
	hpa@...or.com, bhelgaas@...gle.com
Subject: [tip:x86/platform] x86/pci/intel_mid_pci:
  Propagate actual return code

Commit-ID:  2a61c8eaf1879db99286c3f5fe5e78086c7edb85
Gitweb:     http://git.kernel.org/tip/2a61c8eaf1879db99286c3f5fe5e78086c7edb85
Author:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
AuthorDate: Wed, 29 Jul 2015 12:16:48 +0300
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Wed, 29 Jul 2015 21:23:50 +0200

x86/pci/intel_mid_pci: Propagate actual return code

mp_map_gsi_to_irq() returns different codes if it fails.
intel_mid_pci_irq_enable() hides this under -EBUSY.

Return the actual failure code.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Cc: Bjorn Helgaas <bhelgaas@...gle.com>
Link: http://lkml.kernel.org/r/1438161409-4671-3-git-send-email-andriy.shevchenko@linux.intel.com
Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
---
 arch/x86/pci/intel_mid_pci.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/x86/pci/intel_mid_pci.c b/arch/x86/pci/intel_mid_pci.c
index 7553921..3361f0a 100644
--- a/arch/x86/pci/intel_mid_pci.c
+++ b/arch/x86/pci/intel_mid_pci.c
@@ -213,6 +213,7 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev)
 {
 	struct irq_alloc_info info;
 	int polarity;
+	int ret;
 
 	if (dev->irq_managed && dev->irq > 0)
 		return 0;
@@ -244,8 +245,9 @@ static int intel_mid_pci_irq_enable(struct pci_dev *dev)
 	 * MRST only have IOAPIC, the PCI irq lines are 1:1 mapped to
 	 * IOAPIC RTE entries, so we just enable RTE for the device.
 	 */
-	if (mp_map_gsi_to_irq(dev->irq, IOAPIC_MAP_ALLOC, &info) < 0)
-		return -EBUSY;
+	ret = mp_map_gsi_to_irq(dev->irq, IOAPIC_MAP_ALLOC, &info);
+	if (ret < 0)
+		return ret;
 
 	dev->irq_managed = 1;
 
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/