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Diffstat (limited to 'target/linux/bcm27xx/patches-5.10/950-0735-xhci-guard-accesses-to-ep_state-in-xhci_endpoint_res.patch')
-rw-r--r--target/linux/bcm27xx/patches-5.10/950-0735-xhci-guard-accesses-to-ep_state-in-xhci_endpoint_res.patch43
1 files changed, 0 insertions, 43 deletions
diff --git a/target/linux/bcm27xx/patches-5.10/950-0735-xhci-guard-accesses-to-ep_state-in-xhci_endpoint_res.patch b/target/linux/bcm27xx/patches-5.10/950-0735-xhci-guard-accesses-to-ep_state-in-xhci_endpoint_res.patch
deleted file mode 100644
index 9cf5aa2e99..0000000000
--- a/target/linux/bcm27xx/patches-5.10/950-0735-xhci-guard-accesses-to-ep_state-in-xhci_endpoint_res.patch
+++ /dev/null
@@ -1,43 +0,0 @@
-From 9d51ba9909129465493d56a7134ce4220d2e69e9 Mon Sep 17 00:00:00 2001
-From: Jonathan Bell <jonathan@raspberrypi.com>
-Date: Mon, 16 Aug 2021 14:43:06 +0100
-Subject: [PATCH] xhci: guard accesses to ep_state in
- xhci_endpoint_reset()
-
-See https://github.com/raspberrypi/linux/issues/3981
-
-Two read-modify-write cycles on ep->ep_state are not guarded by
-xhci->lock. Fix these.
-
-Signed-off-by: Jonathan Bell <jonathan@raspberrypi.com>
----
- drivers/usb/host/xhci.c | 5 +++++
- 1 file changed, 5 insertions(+)
-
---- a/drivers/usb/host/xhci.c
-+++ b/drivers/usb/host/xhci.c
-@@ -3270,10 +3270,13 @@ static void xhci_endpoint_reset(struct u
- return;
-
- /* Bail out if toggle is already being cleared by a endpoint reset */
-+ spin_lock_irqsave(&xhci->lock, flags);
- if (ep->ep_state & EP_HARD_CLEAR_TOGGLE) {
- ep->ep_state &= ~EP_HARD_CLEAR_TOGGLE;
-+ spin_unlock_irqrestore(&xhci->lock, flags);
- return;
- }
-+ spin_unlock_irqrestore(&xhci->lock, flags);
- /* Only interrupt and bulk ep's use data toggle, USB2 spec 5.5.4-> */
- if (usb_endpoint_xfer_control(&host_ep->desc) ||
- usb_endpoint_xfer_isoc(&host_ep->desc))
-@@ -3359,8 +3362,10 @@ static void xhci_endpoint_reset(struct u
- xhci_free_command(xhci, cfg_cmd);
- cleanup:
- xhci_free_command(xhci, stop_cmd);
-+ spin_lock_irqsave(&xhci->lock, flags);
- if (ep->ep_state & EP_SOFT_CLEAR_TOGGLE)
- ep->ep_state &= ~EP_SOFT_CLEAR_TOGGLE;
-+ spin_unlock_irqrestore(&xhci->lock, flags);
- }
-
- static int xhci_check_streams_endpoint(struct xhci_hcd *xhci,