Patch "RDMA/rtrs-clt: Kill wait_for_inflight_permits" has been added to the 5.10-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    RDMA/rtrs-clt: Kill wait_for_inflight_permits

to the 5.10-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     rdma-rtrs-clt-kill-wait_for_inflight_permits.patch
and it can be found in the queue-5.10 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 6cf8d8fc8bd6e666233d769c811cd1212a352f77
Author: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
Date:   Thu Dec 17 15:19:05 2020 +0100

    RDMA/rtrs-clt: Kill wait_for_inflight_permits
    
    [ Upstream commit 25a033f5a75873cfdd36eca3c702363b682afb42 ]
    
    Let's wait the inflight permits before free it.
    
    Link: https://lore.kernel.org/r/20201217141915.56989-10-jinpu.wang@xxxxxxxxxxxxxxx
    Signed-off-by: Guoqing Jiang <guoqing.jiang@xxxxxxxxxxxxxxx>
    Reviewed-by: Md Haris Iqbal <haris.iqbal@xxxxxxxxxxxxxxx>
    Signed-off-by: Jack Wang <jinpu.wang@xxxxxxxxxxxxxxx>
    Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/infiniband/ulp/rtrs/rtrs-clt.c b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
index 8937530a42d3d..5a3c11b0b3102 100644
--- a/drivers/infiniband/ulp/rtrs/rtrs-clt.c
+++ b/drivers/infiniband/ulp/rtrs/rtrs-clt.c
@@ -1328,6 +1328,12 @@ static int alloc_permits(struct rtrs_clt *clt)
 
 static void free_permits(struct rtrs_clt *clt)
 {
+	if (clt->permits_map) {
+		size_t sz = clt->queue_depth;
+
+		wait_event(clt->permits_wait,
+			   find_first_bit(clt->permits_map, sz) >= sz);
+	}
 	kfree(clt->permits_map);
 	clt->permits_map = NULL;
 	kfree(clt->permits);
@@ -2630,19 +2636,8 @@ static struct rtrs_clt *alloc_clt(const char *sessname, size_t paths_num,
 	return ERR_PTR(err);
 }
 
-static void wait_for_inflight_permits(struct rtrs_clt *clt)
-{
-	if (clt->permits_map) {
-		size_t sz = clt->queue_depth;
-
-		wait_event(clt->permits_wait,
-			   find_first_bit(clt->permits_map, sz) >= sz);
-	}
-}
-
 static void free_clt(struct rtrs_clt *clt)
 {
-	wait_for_inflight_permits(clt);
 	free_permits(clt);
 	free_percpu(clt->pcpu_path);