Commit 7f3da4b6 authored by Dan Carpenter's avatar Dan Carpenter Committed by Juergen Gross
Browse files

xen/events: fix error code in xen_bind_pirq_msi_to_irq() 



Return -ENOMEM if xen_irq_init() fails.  currently the code returns an
uninitialized variable or zero.

Fixes: 5dd9ad32 ("xen/events: drop xen_allocate_irqs_dynamic()")
Signed-off-by: default avatarDan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: default avatarJuergen Gross <jgross@ssue.com>
Link: https://lore.kernel.org/r/3b9ab040-a92e-4e35-b687-3a95890a9ace@moroto.mountain


Signed-off-by: default avatarJuergen Gross <jgross@suse.com>
parent db283230

drivers/xen/events/events_base.c

+3 −1
Original line number Diff line number Diff line
@@ -1110,8 +1110,10 @@ int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc, 


	for (i = 0; i < nvec; i++) {

		info = xen_irq_init(irq + i);

		if (!info)

		if (!info) {

			ret = -ENOMEM;

			goto error_irq;

		}



		irq_set_chip_and_handler_name(irq + i, &xen_pirq_chip, handle_edge_irq, name);