Re: 2.6.22-rc1-mm1 cifs_mount oops

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This is what I now have in the cifs git tree.  (only minor change is
that I now have since fixed the missing space after the if)

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 216fb62..f6963d1 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -2069,8 +2069,15 @@ cifs_mount(struct super_block *sb, struct
cifs_sb_info *cifs_sb,
                       srvTcp->tcpStatus = CifsExiting;
                       spin_unlock(&GlobalMid_Lock);
                       if (srvTcp->tsk) {
+                               struct task_struct *tsk;
+                               /* If we could verify that kthread_stop would
+                                  always wake up processes blocked in
+                                  tcp in recv_mesg then we could remove the
+                                  send_sig call */
                               send_sig(SIGKILL,srvTcp->tsk,1);
-                               kthread_stop(srvTcp->tsk);
+                               tsk = srvTcp->tsk;
+                               if(tsk)
+                                       kthread_stop(srvTcp->tsk);
                       }
               }
                /* If find_unc succeeded then rc == 0 so we can not end */
@@ -2085,8 +2092,11 @@ cifs_mount(struct super_block *sb, struct
cifs_sb_info *cifs_sb,
                                       /* if the socketUseCount is now zero */
                                       if ((temp_rc == -ESHUTDOWN) &&
                                          (pSesInfo->server) &&
(pSesInfo->server->tsk)) {
+                                               struct task_struct *tsk;

send_sig(SIGKILL,pSesInfo->server->tsk,1);
-
kthread_stop(pSesInfo->server->tsk);
+                                               tsk = pSesInfo->server->tsk;
+                                               if(tsk)
+                                                       kthread_stop(tsk);
                                       }
                               } else
                                       cFYI(1, ("No session or bad tcon"));


--
Thanks,

Steve
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