From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198

---
 kernel/drivers/infiniband/core/uverbs_main.c |   14 ++++++--------
 1 files changed, 6 insertions(+), 8 deletions(-)

diff --git a/kernel/drivers/infiniband/core/uverbs_main.c b/kernel/drivers/infiniband/core/uverbs_main.c
index 4bb7c64..f2fcdb7 100644
--- a/kernel/drivers/infiniband/core/uverbs_main.c
+++ b/kernel/drivers/infiniband/core/uverbs_main.c
@@ -222,8 +222,12 @@
 	spin_lock_irq(&ev_queue->lock);
 
 	while (list_empty(&ev_queue->event_list)) {
-		spin_unlock_irq(&ev_queue->lock);
+		if (ev_queue->is_closed) {
+			spin_unlock_irq(&ev_queue->lock);
+			return -EIO;
+		}
 
+		spin_unlock_irq(&ev_queue->lock);
 		if (filp->f_flags & O_NONBLOCK)
 			return -EAGAIN;
 
@@ -233,12 +237,6 @@
 			return -ERESTARTSYS;
 
 		spin_lock_irq(&ev_queue->lock);
-
-		/* If device was disassociated and no event exists set an error */
-		if (list_empty(&ev_queue->event_list) && ev_queue->is_closed) {
-			spin_unlock_irq(&ev_queue->lock);
-			return -EIO;
-		}
 	}
 
 	event = list_entry(ev_queue->event_list.next, struct ib_uverbs_event, list);
@@ -537,7 +535,7 @@
 	if (hdr->in_words * 4 != count)
 		return -EINVAL;
 
-	if (count < method_elm->req_size + sizeof(hdr)) {
+	if (count < method_elm->req_size + sizeof(*hdr)) {
 		/*
 		 * rdma-core v18 and v19 have a bug where they send DESTROY_CQ
 		 * with a 16 byte write instead of 24. Old kernels didn't

--
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