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Commit 15c972df authored by Gustavo Pimentel's avatar Gustavo Pimentel Committed by Lorenzo Pieralisi
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PCI: endpoint: Add MSI set maximum restriction 



Add pci_epc_set_msi() maximum 32 interrupts validation.

Signed-off-by: default avatarGustavo Pimentel <gustavo.pimentel@synopsys.com>
Signed-off-by: default avatarLorenzo Pieralisi <lorenzo.pieralisi@arm.com>
Acked-by: default avatarKishon Vijay Abraham I <kishon@ti.com>
parent 0653217c

drivers/pci/endpoint/pci-epc-core.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -201,7 +201,8 @@ int pci_epc_set_msi(struct pci_epc *epc, u8 func_no, u8 interrupts) 
	u8 encode_int;

	u8 encode_int;

	unsigned long flags;

	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;

		return -EINVAL;





	if (!epc->ops->set_msi)

	if (!epc->ops->set_msi)