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authorWeihang Li <liweihang@huawei.com>2021-05-28 17:37:32 +0800
committerJason Gunthorpe <jgg@nvidia.com>2021-06-08 14:35:44 -0300
commit60dff56d77292062789232f68354f567e1ccf1d2 (patch)
tree5e8f23a28e3a832b086d6b3e0ff6beedf1dcf45d /drivers/infiniband/core/iwcm.h
parentRDMA/irdma: Fix return error sign from irdma_modify_qp (diff)
downloadlinux-dev-60dff56d77292062789232f68354f567e1ccf1d2.tar.xz
linux-dev-60dff56d77292062789232f68354f567e1ccf1d2.zip
RDMA/core: Use refcount_t instead of atomic_t on refcount of iwcm_id_private
The refcount_t API will WARN on underflow and overflow of a reference counter, and avoid use-after-free risks. Link: https://lore.kernel.org/r/1622194663-2383-2-git-send-email-liweihang@huawei.com Signed-off-by: Weihang Li <liweihang@huawei.com> Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/core/iwcm.h')
-rw-r--r--drivers/infiniband/core/iwcm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/infiniband/core/iwcm.h b/drivers/infiniband/core/iwcm.h
index 82c2cd1b0a80..bf74639be128 100644
--- a/drivers/infiniband/core/iwcm.h
+++ b/drivers/infiniband/core/iwcm.h
@@ -52,7 +52,7 @@ struct iwcm_id_private {
wait_queue_head_t connect_wait;
struct list_head work_list;
spinlock_t lock;
- atomic_t refcount;
+ refcount_t refcount;
struct list_head work_free_list;
};