diff options
Diffstat (limited to 'drivers/staging/unisys/visorutil/charqueue.c')
| -rw-r--r-- | drivers/staging/unisys/visorutil/charqueue.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/staging/unisys/visorutil/charqueue.c b/drivers/staging/unisys/visorutil/charqueue.c index 0ceede129e87..22241c7b4f7f 100644 --- a/drivers/staging/unisys/visorutil/charqueue.c +++ b/drivers/staging/unisys/visorutil/charqueue.c @@ -1,6 +1,6 @@ /* charqueue.c * - * Copyright © 2010 - 2013 UNISYS CORPORATION + * Copyright (C) 2010 - 2013 UNISYS CORPORATION * All rights reserved. * * This program is free software; you can redistribute it and/or modify @@ -41,6 +41,7 @@ CHARQUEUE *visor_charqueue_create(ulong nslots) { int alloc_size = sizeof(CHARQUEUE) + nslots + 1; CHARQUEUE *cq = kmalloc(alloc_size, GFP_KERNEL|__GFP_NORETRY); + if (cq == NULL) { ERRDRV("visor_charqueue_create allocation failed (alloc_size=%d)", alloc_size); @@ -75,6 +76,7 @@ EXPORT_SYMBOL_GPL(visor_charqueue_enqueue); BOOL visor_charqueue_is_empty(CHARQUEUE *charqueue) { BOOL b; + spin_lock(&charqueue->lock); b = IS_EMPTY(charqueue); spin_unlock(&charqueue->lock); |