1 files changed, 4 insertions, 7 deletions

diff --git a/shell/ash.c b/shell/ash.c
index 97a28b1f5..01a02d375 100644
--- a/shell/ash.c
+++ b/shell/ash.c
@@ -5995,13 +5995,10 @@ static void setjobctl(int enable)
                                 mflag = 0;
                                 return;
                         }
-                        if (initialpgrp == -1)
-                                initialpgrp = getpgrp();
-                        else if (initialpgrp != getpgrp()) {
-                                killpg(initialpgrp, SIGTTIN);
-                                continue;
-                        }
-                } while (0);
+                        if (initialpgrp == getpgrp())
+                                break;
+                        killpg(0, SIGTTIN);
+                } while (1);
                 setsignal(SIGTSTP);
                 setsignal(SIGTTOU);
                 setsignal(SIGTTIN);