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-rw-r--r--net/smc/smc_ib.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/net/smc/smc_ib.h b/net/smc/smc_ib.h
index ae6776e1e726..2ce481187dd0 100644
--- a/net/smc/smc_ib.h
+++ b/net/smc/smc_ib.h
@@ -52,6 +52,7 @@ struct smc_ib_device {				/* ib-device infos for smc */
 	DECLARE_BITMAP(ports_going_away, SMC_MAX_PORTS);
 	atomic_t		lnk_cnt;	/* number of links on ibdev */
 	wait_queue_head_t	lnks_deleted;	/* wait 4 removal of all links*/
+	struct mutex		mutex;		/* protect dev setup+cleanup */
 };
 
 struct smc_buf_desc;