[PATCH v2 1/3] mlx5: Use refcount_t for refcount
From: Chuhong Yuan <hidden>
Date: 2019-08-02 17:23:50
Also in:
linux-rdma, lkml
Subsystem:
mellanox mlx5 ib driver, mellanox mlx5 core vpi driver, the rest · Maintainers:
Leon Romanovsky, Saeed Mahameed, Tariq Toukan, Mark Bloch, Linus Torvalds
refcount_t is better for reference counters since its implementation can prevent overflows. So convert atomic_t ref counters to refcount_t. Signed-off-by: Chuhong Yuan <redacted> --- Changes in v2: - Add #include. include/linux/mlx5/driver.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/include/linux/mlx5/driver.h b/include/linux/mlx5/driver.h
index 0e6da1840c7d..5b56f343ce87 100644
--- a/include/linux/mlx5/driver.h
+++ b/include/linux/mlx5/driver.h@@ -47,6 +47,7 @@ #include <linux/interrupt.h> #include <linux/idr.h> #include <linux/notifier.h> +#include <linux/refcount.h> #include <linux/mlx5/device.h> #include <linux/mlx5/doorbell.h>
@@ -398,7 +399,7 @@ enum mlx5_res_type { struct mlx5_core_rsc_common { enum mlx5_res_type res; - atomic_t refcount; + refcount_t refcount; struct completion free; };
--
2.20.1