diff options
Diffstat (limited to 'drivers/dca/dca-core.c')
| -rw-r--r-- | drivers/dca/dca-core.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dca/dca-core.c b/drivers/dca/dca-core.c index 25ec0bb0519..819dfda8823 100644 --- a/drivers/dca/dca-core.c +++ b/drivers/dca/dca-core.c @@ -28,6 +28,7 @@ #include <linux/device.h> #include <linux/dca.h> #include <linux/slab.h> +#include <linux/module.h> #define DCA_VERSION "1.12.1" @@ -419,6 +420,11 @@ void unregister_dca_provider(struct dca_provider *dca, struct device *dev) raw_spin_lock_irqsave(&dca_lock, flags); + if (list_empty(&dca_domains)) { + raw_spin_unlock_irqrestore(&dca_lock, flags); + return; + } + list_del(&dca->node); pci_rc = dca_pci_rc_from_dev(dev); |