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authorIngo Molnar <mingo@kernel.org>2021-02-12 14:54:51 +0300
committerIngo Molnar <mingo@kernel.org>2021-02-12 14:54:58 +0300
commit62137364e3e8afcc745846c5c67cacf943149073 (patch)
tree42f2bdee6b16e383b6e0a94cb3abc62f335d721a /drivers/scsi/libfc/fc_exch.c
parent6c80408a8a0360fa9223b8c21c0ab8ef42e88bfe (diff)
parentdcc0b49040c70ad827a7f3d58a21b01fdb14e749 (diff)
downloadlinux-62137364e3e8afcc745846c5c67cacf943149073.tar.xz
Merge branch 'linus' into locking/core, to pick up upstream fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/scsi/libfc/fc_exch.c')
-rw-r--r--drivers/scsi/libfc/fc_exch.c16
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index d71afae6191c..841000445b9a 100644
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -1623,8 +1623,13 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
rc = fc_exch_done_locked(ep);
WARN_ON(fc_seq_exch(sp) != ep);
spin_unlock_bh(&ep->ex_lock);
- if (!rc)
+ if (!rc) {
fc_exch_delete(ep);
+ } else {
+ FC_EXCH_DBG(ep, "ep is completed already,"
+ "hence skip calling the resp\n");
+ goto skip_resp;
+ }
}
/*
@@ -1643,6 +1648,7 @@ static void fc_exch_recv_seq_resp(struct fc_exch_mgr *mp, struct fc_frame *fp)
if (!fc_invoke_resp(ep, sp, fp))
fc_frame_free(fp);
+skip_resp:
fc_exch_release(ep);
return;
rel:
@@ -1899,10 +1905,16 @@ static void fc_exch_reset(struct fc_exch *ep)
fc_exch_hold(ep);
- if (!rc)
+ if (!rc) {
fc_exch_delete(ep);
+ } else {
+ FC_EXCH_DBG(ep, "ep is completed already,"
+ "hence skip calling the resp\n");
+ goto skip_resp;
+ }
fc_invoke_resp(ep, sp, ERR_PTR(-FC_EX_CLOSED));
+skip_resp:
fc_seq_set_resp(sp, NULL, ep->arg);
fc_exch_release(ep);
}