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path: root/hw/xfree86/common/xf86Xinput.c
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Diffstat (limited to 'hw/xfree86/common/xf86Xinput.c')
-rw-r--r--hw/xfree86/common/xf86Xinput.c29
1 files changed, 24 insertions, 5 deletions
diff --git a/hw/xfree86/common/xf86Xinput.c b/hw/xfree86/common/xf86Xinput.c
index 376af770c..89a27c7b5 100644
--- a/hw/xfree86/common/xf86Xinput.c
+++ b/hw/xfree86/common/xf86Xinput.c
@@ -287,12 +287,13 @@ xf86ProcessCommonOptions(LocalDevicePtr local,
/***********************************************************************
*
* xf86ActivateDevice --
- *
+ *
* Initialize an input device.
*
+ * Returns TRUE on success, or FALSE otherwise.
***********************************************************************
*/
-_X_EXPORT void
+_X_EXPORT int
xf86ActivateDevice(LocalDevicePtr local)
{
DeviceIntPtr dev;
@@ -301,8 +302,13 @@ xf86ActivateDevice(LocalDevicePtr local)
dev = AddInputDevice(serverClient, local->device_control, TRUE);
if (dev == NULL)
- FatalError("Too many input devices");
-
+ {
+ xf86Msg(X_ERROR, "Too many input devices. Ignoring %s\n",
+ local->name);
+ local->dev = NULL;
+ return FALSE;
+ }
+
local->atom = MakeAtom(local->type_name,
strlen(local->type_name),
TRUE);
@@ -334,6 +340,8 @@ xf86ActivateDevice(LocalDevicePtr local)
xf86Msg(X_INFO, "XINPUT: Adding extended input device \"%s\" (type: %s)\n",
local->name, local->type_name);
}
+
+ return TRUE;
}
@@ -470,6 +478,13 @@ AddOtherInputDevices()
/**
* Create a new input device, activate and enable it.
*
+ * Possible return codes:
+ * BadName .. a bad driver name was supplied.
+ * BadImplementation ... The driver does not have a PreInit function. This
+ * is a driver bug.
+ * BadMatch .. device initialization failed.
+ * BadAlloc .. too many input devices
+ *
* @param idev The device, already set up with identifier, driver, and the
* options.
* @param pdev Pointer to the new device, if Success was reported.
@@ -519,7 +534,11 @@ xf86NewInputDevice(IDevPtr idev, DeviceIntPtr *pdev, BOOL enable)
goto unwind;
}
- xf86ActivateDevice(pInfo);
+ if (!xf86ActivateDevice(pInfo))
+ {
+ rval = BadAlloc;
+ goto unwind;
+ }
dev = pInfo->dev;
ActivateDevice(dev);