From 7cca85dff2d2a67836ecb2f4bf6466bc5080e007 Mon Sep 17 00:00:00 2001 From: Dan Carpenter Date: Fri, 18 Jun 2021 16:43:59 +0300 Subject: [PATCH] scsi: elx: libefc: Fix IRQ restore in efc_domain_dispatch_frame() Calling a nested spin_lock_irqsave() will overwrite the original "flags" so that they can not be enabled again at the end. Link: https://lore.kernel.org/r/YMyjH16k4M1yEmmU@mwanda Fixes: 3146240f19bf ("scsi: elx: libefc: FC Domain state machine interfaces") Signed-off-by: Dan Carpenter Signed-off-by: Martin K. Petersen --- drivers/scsi/elx/libefc/efc_domain.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/scsi/elx/libefc/efc_domain.c b/drivers/scsi/elx/libefc/efc_domain.c index 0c08fa2066b9..ca9d7ff2c0d2 100644 --- a/drivers/scsi/elx/libefc/efc_domain.c +++ b/drivers/scsi/elx/libefc/efc_domain.c @@ -1001,10 +1001,10 @@ efc_domain_dispatch_frame(void *arg, struct efc_hw_sequence *seq) if (node->hold_frames || !list_empty(&node->pend_frames)) { /* add frame to node's pending list */ - spin_lock_irqsave(&node->pend_frames_lock, flags); + spin_lock(&node->pend_frames_lock); INIT_LIST_HEAD(&seq->list_entry); list_add_tail(&seq->list_entry, &node->pend_frames); - spin_unlock_irqrestore(&node->pend_frames_lock, flags); + spin_unlock(&node->pend_frames_lock); rc = EFC_HW_SEQ_HOLD; goto out_release; }