every iput() and namei() must be inside a transaction

1 files changed, 2 insertions, 0 deletions

diff --git a/proc.c b/proc.c
index e19539c..db0e9c7 100644
--- a/proc.c
+++ b/proc.c
@@ -186,7 +186,9 @@ exit(void)
     }
   }
 
+  begin_trans();
   iput(proc->cwd);
+  commit_trans();
   proc->cwd = 0;
 
   acquire(&ptable.lock);