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xen/events: fix error code in xen_bind_pirq_msi_to_irq()
author
Dan Carpenter
<dan.carpenter@linaro.org>
Tue, 28 Nov 2023 06:52:41 +0000
(09:52 +0300)
committer
Juergen Gross
<jgross@suse.com>
Tue, 28 Nov 2023 11:48:27 +0000
(12:48 +0100)
Return -ENOMEM if xen_irq_init() fails. currently the code returns an
uninitialized variable or zero.
Fixes:
5dd9ad32d775
("xen/events: drop xen_allocate_irqs_dynamic()")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Juergen Gross <jgross@ssue.com>
Link:
https://lore.kernel.org/r/3b9ab040-a92e-4e35-b687-3a95890a9ace@moroto.mountain
Signed-off-by: Juergen Gross <jgross@suse.com>
drivers/xen/events/events_base.c
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diff --git
a/drivers/xen/events/events_base.c
b/drivers/xen/events/events_base.c
index f5edb9e27e3ca1e33edd88fce970e57ca228430c..b8cfea7812d6b61110cc5e42fe4249d4578dc721 100644
(file)
--- a/
drivers/xen/events/events_base.c
+++ b/
drivers/xen/events/events_base.c
@@
-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);