Change in osmo-ccid-firmware[master]: usb: handle failed transfers

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Hoernchen gerrit-no-reply at lists.osmocom.org
Tue Sep 8 16:31:51 UTC 2020


Hoernchen has uploaded this change for review. ( https://gerrit.osmocom.org/c/osmo-ccid-firmware/+/20040 )


Change subject: usb: handle failed transfers
......................................................................

usb: handle failed transfers

This fixes the crash with external power if usb is disconected and
plugged in again, upon ep reset the completion cbs are called, but we
can obviously not interact with those EPs at that time and resubmit
buffers.

Change-Id: Icff17673b4d1d1616ee733580bdd6b5203b87139
Closes: SYS#4908
---
M sysmoOCTSIM/main.c
1 file changed, 9 insertions(+), 0 deletions(-)



  git pull ssh://gerrit.osmocom.org:29418/osmo-ccid-firmware refs/changes/40/20040/1

diff --git a/sysmoOCTSIM/main.c b/sysmoOCTSIM/main.c
index 08f38ec..101af30 100644
--- a/sysmoOCTSIM/main.c
+++ b/sysmoOCTSIM/main.c
@@ -230,6 +230,9 @@
 	llist_add_tail_at(&msg->list, &g_ccid_s.out_ep.list);
 	g_ccid_s.out_ep.in_progress = NULL;
 
+	if(code != USB_XFER_DONE)
+		return;
+
 	/* submit another [free] msgb to receive the next transfer */
 	submit_next_out();
 }
@@ -244,6 +247,9 @@
 	llist_add_tail_at(&msg->list, &g_ccid_s.free_q);
 	g_ccid_s.in_ep.in_progress = NULL;
 
+	if(code != USB_XFER_DONE)
+		return;
+
 	/* submit the next pending to-be-transmitted msgb (if any) */
 	submit_next_in();
 }
@@ -258,6 +264,9 @@
 	llist_add_tail_at(&msg->list, &g_ccid_s.free_q);
 	g_ccid_s.irq_ep.in_progress = NULL;
 
+	if(code != USB_XFER_DONE)
+		return;
+
 	/* submit the next pending to-be-transmitted msgb (if any) */
 	submit_next_irq();
 }

-- 
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Gerrit-Project: osmo-ccid-firmware
Gerrit-Branch: master
Gerrit-Change-Id: Icff17673b4d1d1616ee733580bdd6b5203b87139
Gerrit-Change-Number: 20040
Gerrit-PatchSet: 1
Gerrit-Owner: Hoernchen <ewild at sysmocom.de>
Gerrit-MessageType: newchange
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