[patch] Procfs Patch

unregister_procfs_on_failure.patch (text/plain), 850 bytes, created by Reuben Martin on 2019-09-07 21:26:33 UTC

Author: Andreas Beckmann <[e-mail]>
Description: unregister procfs upon module load failure
 the nvidia module may leave stale proc entries if it refuses to be
 loaded becase nouveau is already loaded and has claimed the device
 .
 the error unwinding in nvidia_init_module() is insane
 (375.26 looks much better)
 .
 this patch is probably not correct in all cases, but the unwinding is
 not reverse linear in creation and the gotos are all across everything
 .
 leaving stale proc entries prevents the nvidia module from loading again
 .
 accessing the stale proc entries results in
   BUG: unable to handle kernel paging request at ...
Bug-Debian: #764639

--- a/kernel/nv.c
+++ b/kernel/nv.c
@@ -1038,6 +1038,8 @@ failed3:
 
     pci_unregister_driver(&nv_pci_driver);
 
+    nv_unregister_procfs();
+
 failed5:
     rm_shutdown_rm(sp);