[PATCH v2 11/16] raw/ifpga: use previous value atomic fetch operations

[Tyler Retzlaff]

Use __atomic_fetch_{add,and,or,sub,xor} instead of
__atomic_{add,and,or,sub,xor}_fetch adding the necessary code to
allow consumption of the resulting value.

Signed-off-by: Tyler Retzlaff <roret...@linux.microsoft.com>
---
 drivers/raw/ifpga/ifpga_rawdev.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/raw/ifpga/ifpga_rawdev.c b/drivers/raw/ifpga/ifpga_rawdev.c
index 1020adc..ae3f79d 100644
--- a/drivers/raw/ifpga/ifpga_rawdev.c
+++ b/drivers/raw/ifpga/ifpga_rawdev.c
@@ -573,7 +573,7 @@ static int set_surprise_link_check_aer(
 
        dev->poll_enabled = 0;
 
-       if (!__atomic_sub_fetch(&ifpga_monitor_refcnt, 1, __ATOMIC_RELAXED) &&
+       if (!(__atomic_fetch_sub(&ifpga_monitor_refcnt, 1, __ATOMIC_RELAXED) - 
1) &&
                ifpga_monitor_start_thread) {
                ret = pthread_cancel(ifpga_monitor_start_thread);
                if (ret)
-- 
1.8.3.1