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path: root/drivers/pci/msi.c
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Diffstat (limited to 'drivers/pci/msi.c')
-rw-r--r--drivers/pci/msi.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c
index 0099a00af361..4b4792940e86 100644
--- a/drivers/pci/msi.c
+++ b/drivers/pci/msi.c
@@ -535,6 +535,7 @@ static int msi_verify_entries(struct pci_dev *dev)
static int msi_capability_init(struct pci_dev *dev, int nvec,
struct irq_affinity *affd)
{
+ const struct attribute_group **groups;
struct msi_desc *entry;
int ret;
@@ -558,12 +559,14 @@ static int msi_capability_init(struct pci_dev *dev, int nvec,
if (ret)
goto err;
- dev->msi_irq_groups = msi_populate_sysfs(&dev->dev);
- if (IS_ERR(dev->msi_irq_groups)) {
- ret = PTR_ERR(dev->msi_irq_groups);
+ groups = msi_populate_sysfs(&dev->dev);
+ if (IS_ERR(groups)) {
+ ret = PTR_ERR(groups);
goto err;
}
+ dev->msi_irq_groups = groups;
+
/* Set MSI enabled bits */
pci_intx_for_msi(dev, 0);
pci_msi_set_enable(dev, 1);
@@ -691,6 +694,7 @@ static void msix_mask_all(void __iomem *base, int tsize)
static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries,
int nvec, struct irq_affinity *affd)
{
+ const struct attribute_group **groups;
void __iomem *base;
int ret, tsize;
u16 control;
@@ -730,12 +734,14 @@ static int msix_capability_init(struct pci_dev *dev, struct msix_entry *entries,
msix_update_entries(dev, entries);
- dev->msi_irq_groups = msi_populate_sysfs(&dev->dev);
- if (IS_ERR(dev->msi_irq_groups)) {
- ret = PTR_ERR(dev->msi_irq_groups);
+ groups = msi_populate_sysfs(&dev->dev);
+ if (IS_ERR(groups)) {
+ ret = PTR_ERR(groups);
goto out_free;
}
+ dev->msi_irq_groups = groups;
+
/* Set MSI-X enabled bits and unmask the function */
pci_intx_for_msi(dev, 0);
dev->msix_enabled = 1;