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authorArnaldo Carvalho de Melo <acme@redhat.com>2022-12-19 12:27:25 -0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2022-12-19 12:27:25 -0300
commit30d647f5ba9ebefa153ad2bc3f05e3a7c7d90d1c (patch)
tree418c535ebc1a0001b7c448e1d7ff97cf79bff8fd /kernel/irq/msi.c
parent66dfc517e8ec530b1d8d4776c05e3f264f38ecb8 (diff)
parentaeba12b26c79fc35e07e511f692a8907037d95da (diff)
Merge remote-tracking branch 'torvalds/master' into perf/core
To pick up fixes. Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'kernel/irq/msi.c')
-rw-r--r--kernel/irq/msi.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index bd4d4dd626b4b..955267bbc2be6 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -165,7 +165,8 @@ static bool msi_ctrl_valid(struct device *dev, struct msi_ctrl *ctrl)
unsigned int hwsize;
if (WARN_ON_ONCE(ctrl->domid >= MSI_MAX_DEVICE_IRQDOMAINS ||
- !dev->msi.data->__domains[ctrl->domid].domain))
+ (dev->msi.domain &&
+ !dev->msi.data->__domains[ctrl->domid].domain)))
return false;
hwsize = msi_domain_get_hwsize(dev, ctrl->domid);
@@ -609,8 +610,8 @@ static unsigned int msi_domain_get_hwsize(struct device *dev, unsigned int domid
info = domain->host_data;
return info->hwsize;
}
- /* No domain, no size... */
- return 0;
+ /* No domain, default to MSI_XA_DOMAIN_SIZE */
+ return MSI_XA_DOMAIN_SIZE;
}
static inline void irq_chip_write_msi_msg(struct irq_data *data,