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Subject[PATCH v2 1/3] mlx5: Use refcount_t for refcount
Date
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 <hslester96@gmail.com>
---
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
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