From 04dd17822334871b23ea2862f7798fb0e0007777 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Sat, 11 May 2024 08:53:19 +0000
Subject: [PATCH] change otg to host mode
---
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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