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/staging/emxx_udc/emxx_udc.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/kernel/drivers/staging/emxx_udc/emxx_udc.c b/kernel/drivers/staging/emxx_udc/emxx_udc.c
index 3897f8e..6870a33 100644
--- a/kernel/drivers/staging/emxx_udc/emxx_udc.c
+++ b/kernel/drivers/staging/emxx_udc/emxx_udc.c
@@ -2591,10 +2591,15 @@
req->unaligned = false;
if (req->unaligned) {
- if (!ep->virt_buf)
+ if (!ep->virt_buf) {
ep->virt_buf = dma_alloc_coherent(udc->dev, PAGE_SIZE,
&ep->phys_buf,
GFP_ATOMIC | GFP_DMA);
+ if (!ep->virt_buf) {
+ spin_unlock_irqrestore(&udc->lock, flags);
+ return -ENOMEM;
+ }
+ }
if (ep->epnum > 0) {
if (ep->direct == USB_DIR_IN)
memcpy(ep->virt_buf, req->req.buf,
--
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