diff options
| -rw-r--r-- | drivers/char/diag/diagmem.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/char/diag/diagmem.c b/drivers/char/diag/diagmem.c index f8a650b3fa6a..3d9fceddb893 100644 --- a/drivers/char/diag/diagmem.c +++ b/drivers/char/diag/diagmem.c @@ -1,4 +1,4 @@ -/* Copyright (c) 2008-2014, The Linux Foundation. All rights reserved. +/* Copyright (c) 2008-2014, 2016, The Linux Foundation. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and @@ -282,7 +282,7 @@ void diagmem_exit(struct diagchar_dev *driver, int index) mempool = &diag_mempools[index]; spin_lock_irqsave(&mempool->lock, flags); - if (mempool->count == 0) { + if (mempool->count == 0 && mempool->pool != NULL) { mempool_destroy(mempool->pool); mempool->pool = NULL; } else { |