free proc if kalloc fails

2020-11-01 11:11:38 -05:00 · 2020-11-01 11:11:38 -05:00 · b48ea5d220
parent 5e392531c0
commit b48ea5d220
1 changed files with 1 additions and 0 deletions
--- a/kernel/proc.c
+++ b/kernel/proc.c
@ -116,6 +116,7 @@ found:

  // Allocate a trapframe page.
  if((p->trapframe = (struct trapframe *)kalloc()) == 0){
+    freeproc(p);
    release(&p->lock);
    return 0;
  }