ahci: throw exception if device can not be found

Fixes #1183
2014-06-17 13:54:06 +02:00 · 2014-06-17 13:54:06 +02:00 · b4e86cc499
parent b8798fc026
commit b4e86cc499
1 changed files with 10 additions and 1 deletions
--- a/repos/os/src/drivers/ahci/x86/ahci_driver.h
+++ b/repos/os/src/drivers/ahci/x86/ahci_driver.h
@ -42,7 +42,16 @@ class Ahci_driver : public Ahci_pci_connection,
 		/**
 		 * Constructor
 		 */
-		Ahci_driver() : Ahci_driver_base(Ahci_device::probe(_pci)) { }
+		Ahci_driver() : Ahci_driver_base(nullptr) {
+			Ahci_device * device = Ahci_device::probe(_pci);
+
+			if (!device) {
+				PWRN("Could not find ahci device");
+				throw Root::Unavailable();
+			}
+
+			_device = device;
+		}
 };

 #endif /* _AHCI_DRIVER_H_ */