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From: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
To: bhelgaas@google.com, lorenzo.pieralisi@arm.com,
	Joao.Pinto@synopsys.com, jingoohan1@gmail.com, kishon@ti.com,
	adouglas@cadence.com, jesper.nilsson@axis.com,
	shawn.lin@rock-chips.com
Cc: linux-pci@vger.kernel.org, linux-doc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	Gustavo Pimentel <gustavo.pimentel@synopsys.com>
Subject: [PATCH v6 11/11] PCI: endpoint: Add MSI set maximum restriction.
Date: Thu, 21 Jun 2018 17:01:36 +0100	[thread overview]
Message-ID: <5bceea0ec98a7436ac5960635898ddfbec2cf6e1.1529595907.git.gustavo.pimentel@synopsys.com> (raw)
In-Reply-To: <cover.1529595907.git.gustavo.pimentel@synopsys.com>
In-Reply-To: <cover.1529595907.git.gustavo.pimentel@synopsys.com>

Add pci_epc_set_msi() maximum 32 interrupts validation.

Signed-off-by: Gustavo Pimentel <gustavo.pimentel@synopsys.com>
---
Change v4->v5:
 - New patch file.
Change v5->v6:
 - Nothing changed, just to follow the patch set version.

 drivers/pci/endpoint/pci-epc-core.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/pci/endpoint/pci-epc-core.c b/drivers/pci/endpoint/pci-epc-core.c
index c72e656..094dcc3 100644
--- a/drivers/pci/endpoint/pci-epc-core.c
+++ b/drivers/pci/endpoint/pci-epc-core.c
@@ -201,7 +201,8 @@ int pci_epc_set_msi(struct pci_epc *epc, u8 func_no, u8 interrupts)
 	u8 encode_int;
 	unsigned long flags;
 
-	if (IS_ERR_OR_NULL(epc) || func_no >= epc->max_functions)
+	if (IS_ERR_OR_NULL(epc) || func_no >= epc->max_functions ||
+	    interrupts > 32)
 		return -EINVAL;
 
 	if (!epc->ops->set_msi)
-- 
2.7.4



  parent reply	other threads:[~2018-06-21 16:03 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-06-21 16:01 [PATCH v6 00/11] Add MSI-X support on pcitest tool Gustavo Pimentel
2018-06-21 16:01 ` [PATCH v6 01/11] PCI: endpoint: Add MSI-X interfaces Gustavo Pimentel
2018-06-21 16:01 ` [PATCH v6 02/11] PCI: Update xxx_pcie_ep_raise_irq() and pci_epc_raise_irq() signatures Gustavo Pimentel
2018-06-29 11:12   ` Jesper Nilsson
2018-07-06 10:50   ` Joao Pinto
2018-06-21 16:01 ` [PATCH v6 03/11] PCI: dwc: Add MSI-X callbacks handler Gustavo Pimentel
2018-06-21 16:01 ` [PATCH v6 04/11] PCI: dwc: Rework MSI " Gustavo Pimentel
2018-06-21 16:01 ` [PATCH v6 05/11] PCI: dwc: Add legacy interrupt callback handler Gustavo Pimentel
2018-06-21 16:01 ` [PATCH v6 06/11] pci-epf-test/pci_endpoint_test: Cleanup PCI_ENDPOINT_TEST memspace Gustavo Pimentel
2018-07-06  9:00   ` Kishon Vijay Abraham I
2018-06-21 16:01 ` [PATCH v6 07/11] pci-epf-test/pci_endpoint_test: Use irq_type module parameter Gustavo Pimentel
2018-07-06  9:04   ` Kishon Vijay Abraham I
2018-06-21 16:01 ` [PATCH v6 08/11] pci-epf-test/pci_endpoint_test: Add MSI-X support Gustavo Pimentel
2018-07-06  9:21   ` Kishon Vijay Abraham I
2018-06-21 16:01 ` [PATCH v6 09/11] pci_endpoint_test: Add 2 ioctl commands Gustavo Pimentel
2018-07-06  9:27   ` Kishon Vijay Abraham I
2018-06-21 16:01 ` [PATCH v6 10/11] tools: PCI: Add MSI-X support Gustavo Pimentel
2018-07-06  9:31   ` Kishon Vijay Abraham I
2018-06-21 16:01 ` Gustavo Pimentel [this message]
2018-07-06  9:31   ` [PATCH v6 11/11] PCI: endpoint: Add MSI set maximum restriction Kishon Vijay Abraham I
2018-07-06  8:54 ` [PATCH v6 00/11] Add MSI-X support on pcitest tool Gustavo Pimentel
2018-07-06  9:32   ` Kishon Vijay Abraham I

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