diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/infiniband/core/iwcm.c | 11 | ||||
| -rw-r--r-- | drivers/infiniband/hw/cxgb4/mem.c | 2 |
2 files changed, 10 insertions, 3 deletions
diff --git a/drivers/infiniband/core/iwcm.c b/drivers/infiniband/core/iwcm.c index c47c2034ca7..0717940ec3b 100644 --- a/drivers/infiniband/core/iwcm.c +++ b/drivers/infiniband/core/iwcm.c @@ -181,9 +181,16 @@ static void add_ref(struct iw_cm_id *cm_id) static void rem_ref(struct iw_cm_id *cm_id) { struct iwcm_id_private *cm_id_priv; + int cb_destroy; + cm_id_priv = container_of(cm_id, struct iwcm_id_private, id); - if (iwcm_deref_id(cm_id_priv) && - test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags)) { + + /* + * Test bit before deref in case the cm_id gets freed on another + * thread. + */ + cb_destroy = test_bit(IWCM_F_CALLBACK_DESTROY, &cm_id_priv->flags); + if (iwcm_deref_id(cm_id_priv) && cb_destroy) { BUG_ON(!list_empty(&cm_id_priv->work_list)); free_cm_id(cm_id_priv); } diff --git a/drivers/infiniband/hw/cxgb4/mem.c b/drivers/infiniband/hw/cxgb4/mem.c index 4cb8eb24497..84e45006451 100644 --- a/drivers/infiniband/hw/cxgb4/mem.c +++ b/drivers/infiniband/hw/cxgb4/mem.c @@ -173,7 +173,7 @@ static int _c4iw_write_mem_inline(struct c4iw_rdev *rdev, u32 addr, u32 len, return ret; } -int _c4iw_write_mem_dma(struct c4iw_rdev *rdev, u32 addr, u32 len, void *data) +static int _c4iw_write_mem_dma(struct c4iw_rdev *rdev, u32 addr, u32 len, void *data) { u32 remain = len; u32 dmalen; |