xf86drm: Handle unrecognized subsystems safely in drmGetDevice[s]()

Both drmGetDevice() and drmGetDevices() currently print a warning when
they encounter an unknown (non-PCI) subsystem type for a device node,
but they still proceed to assume that the drmDevicePtr was initialized
and try to add it to the local device array.  Add a 'continue' to the
error case handling to bypass the rest of the processing for devices we
can't handle.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Emil Velikov <emil.l.velikov@gmail.com>

diff --git a/xf86drm.c b/xf86drm.c
index 951edbb..7e28b4f 100644 (file)
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -3140,7 +3140,7 @@ int drmGetDevice(int fd, drmDevicePtr *device)
             break;
         default:
             fprintf(stderr, "The subsystem type is not supported yet\n");
-            break;
+            continue;
         }
 
         if (i >= max_count) {
@@ -3244,7 +3244,7 @@ int drmGetDevices(drmDevicePtr devices[], int max_devices)
             break;
         default:
             fprintf(stderr, "The subsystem type is not supported yet\n");
-            break;
+            continue;
         }
 
         if (i >= max_count) {