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-rw-r--r--fs/cifs/connect.c28
1 files changed, 14 insertions, 14 deletions
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 965050867599..f428bf3bf1a9 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -348,7 +348,6 @@ cifs_demultiplex_thread(struct TCP_Server_Info *server)
348 int reconnect; 348 int reconnect;
349 349
350 current->flags |= PF_MEMALLOC; 350 current->flags |= PF_MEMALLOC;
351 server->tsk = current; /* save process info to wake at shutdown */
352 cFYI(1, ("Demultiplex PID: %d", task_pid_nr(current))); 351 cFYI(1, ("Demultiplex PID: %d", task_pid_nr(current)));
353 write_lock(&GlobalSMBSeslock); 352 write_lock(&GlobalSMBSeslock);
354 atomic_inc(&tcpSesAllocCount); 353 atomic_inc(&tcpSesAllocCount);
@@ -651,10 +650,20 @@ multi_t2_fnd:
651 650
652 spin_lock(&GlobalMid_Lock); 651 spin_lock(&GlobalMid_Lock);
653 server->tcpStatus = CifsExiting; 652 server->tcpStatus = CifsExiting;
654 server->tsk = NULL; 653 spin_unlock(&GlobalMid_Lock);
654
655 /* don't exit until kthread_stop is called */
656 set_current_state(TASK_UNINTERRUPTIBLE);
657 while (!kthread_should_stop()) {
658 schedule();
659 set_current_state(TASK_UNINTERRUPTIBLE);
660 }
661 set_current_state(TASK_RUNNING);
662
655 /* check if we have blocked requests that need to free */ 663 /* check if we have blocked requests that need to free */
656 /* Note that cifs_max_pending is normally 50, but 664 /* Note that cifs_max_pending is normally 50, but
657 can be set at module install time to as little as two */ 665 can be set at module install time to as little as two */
666 spin_lock(&GlobalMid_Lock);
658 if (atomic_read(&server->inFlight) >= cifs_max_pending) 667 if (atomic_read(&server->inFlight) >= cifs_max_pending)
659 atomic_set(&server->inFlight, cifs_max_pending - 1); 668 atomic_set(&server->inFlight, cifs_max_pending - 1);
660 /* We do not want to set the max_pending too low or we 669 /* We do not want to set the max_pending too low or we
@@ -2187,15 +2196,12 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2187 srvTcp->tcpStatus = CifsExiting; 2196 srvTcp->tcpStatus = CifsExiting;
2188 spin_unlock(&GlobalMid_Lock); 2197 spin_unlock(&GlobalMid_Lock);
2189 if (srvTcp->tsk) { 2198 if (srvTcp->tsk) {
2190 struct task_struct *tsk;
2191 /* If we could verify that kthread_stop would 2199 /* If we could verify that kthread_stop would
2192 always wake up processes blocked in 2200 always wake up processes blocked in
2193 tcp in recv_mesg then we could remove the 2201 tcp in recv_mesg then we could remove the
2194 send_sig call */ 2202 send_sig call */
2195 force_sig(SIGKILL, srvTcp->tsk); 2203 force_sig(SIGKILL, srvTcp->tsk);
2196 tsk = srvTcp->tsk; 2204 kthread_stop(srvTcp->tsk);
2197 if (tsk)
2198 kthread_stop(tsk);
2199 } 2205 }
2200 } 2206 }
2201 /* If find_unc succeeded then rc == 0 so we can not end */ 2207 /* If find_unc succeeded then rc == 0 so we can not end */
@@ -2211,23 +2217,17 @@ cifs_mount(struct super_block *sb, struct cifs_sb_info *cifs_sb,
2211 if ((temp_rc == -ESHUTDOWN) && 2217 if ((temp_rc == -ESHUTDOWN) &&
2212 (pSesInfo->server) && 2218 (pSesInfo->server) &&
2213 (pSesInfo->server->tsk)) { 2219 (pSesInfo->server->tsk)) {
2214 struct task_struct *tsk;
2215 force_sig(SIGKILL, 2220 force_sig(SIGKILL,
2216 pSesInfo->server->tsk); 2221 pSesInfo->server->tsk);
2217 tsk = pSesInfo->server->tsk; 2222 kthread_stop(pSesInfo->server->tsk);
2218 if (tsk)
2219 kthread_stop(tsk);
2220 } 2223 }
2221 } else { 2224 } else {
2222 cFYI(1, ("No session or bad tcon")); 2225 cFYI(1, ("No session or bad tcon"));
2223 if ((pSesInfo->server) && 2226 if ((pSesInfo->server) &&
2224 (pSesInfo->server->tsk)) { 2227 (pSesInfo->server->tsk)) {
2225 struct task_struct *tsk;
2226 force_sig(SIGKILL, 2228 force_sig(SIGKILL,
2227 pSesInfo->server->tsk); 2229 pSesInfo->server->tsk);
2228 tsk = pSesInfo->server->tsk; 2230 kthread_stop(pSesInfo->server->tsk);
2229 if (tsk)
2230 kthread_stop(tsk);
2231 } 2231 }
2232 } 2232 }
2233 sesInfoFree(pSesInfo); 2233 sesInfoFree(pSesInfo);