Rmmoding irda triggers a lockdep false positive. We can fix that by assigning
each hashbin lock to a separate class.
Reported-by: Dave Jones <[EMAIL PROTECTED]>
Signed-off-by: Samuel Ortiz <[EMAIL PROTECTED]>
---
include/net/irda/irqueue.h | 1 +
net/irda/irqueue.c | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/include/net/irda/irqueue.h b/include/net/irda/irqueue.h
index 335b0ac..67cb434 100644
--- a/include/net/irda/irqueue.h
+++ b/include/net/irda/irqueue.h
@@ -71,6 +71,7 @@ typedef struct hashbin_t {
int hb_size;
spinlock_t hb_spinlock; /* HB_LOCK - Can be used by the user */
+ struct lock_class_key hb_lock_key;
irda_queue_t* hb_queue[HASHBIN_SIZE] IRDA_ALIGN;
irda_queue_t* hb_current;
diff --git a/net/irda/irqueue.c b/net/irda/irqueue.c
index 9266233..2871a8a 100644
--- a/net/irda/irqueue.c
+++ b/net/irda/irqueue.c
@@ -370,6 +370,7 @@ hashbin_t *hashbin_new(int type)
/* Make sure all spinlock's are unlocked */
if ( hashbin->hb_type & HB_LOCK ) {
spin_lock_init(&hashbin->hb_spinlock);
+ lockdep_set_class(&hashbin->hb_spinlock, &hashbin->hb_lock_key);
}
return hashbin;
--
1.5.0.2
-
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