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Diffstat (limited to 'drivers/staging/unisys/visorutil/charqueue.c')
-rw-r--r--drivers/staging/unisys/visorutil/charqueue.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/staging/unisys/visorutil/charqueue.c b/drivers/staging/unisys/visorutil/charqueue.c
index 1ce7003c3a90..ac7acb7c5b79 100644
--- a/drivers/staging/unisys/visorutil/charqueue.c
+++ b/drivers/staging/unisys/visorutil/charqueue.c
@@ -28,7 +28,7 @@
struct charqueue {
int alloc_size;
int nslots;
- spinlock_t lock;
+ spinlock_t lock; /* read/write lock for this structure */
int head, tail;
unsigned char buf[0];
};