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Harald Welte gerrit-no-reply at lists.osmocom.orgHarald Welte has submitted this change and it was merged. ( https://gerrit.osmocom.org/9927 ) Change subject: sniffer: only allocate USB message if queue is not too long ...................................................................... sniffer: only allocate USB message if queue is not too long When the host does not retrieved the USB messages, they keep getting queue in the firmware, filling the RAM, and preventing further memory to be allocated. Change-Id: I0e447acdf757dcb5dc5c4d8b84a4235866914cad --- M firmware/libcommon/source/sniffer.c 1 file changed, 8 insertions(+), 0 deletions(-) Approvals: Jenkins Builder: Verified Harald Welte: Looks good to me, approved diff --git a/firmware/libcommon/source/sniffer.c b/firmware/libcommon/source/sniffer.c index 1c691af..0ca71a5 100644 --- a/firmware/libcommon/source/sniffer.c +++ b/firmware/libcommon/source/sniffer.c @@ -226,6 +226,14 @@ */ static struct msgb *usb_msg_alloc_hdr(uint8_t ep, uint8_t msg_class, uint8_t msg_type) { + /* Only allocate message if not too many are already in the queue */ + struct llist_head *head = usb_get_queue(SIMTRACE_USB_EP_CARD_DATAIN); + if (!head) { + return NULL; + } + if (llist_count(head) > 5) { + return NULL; + } struct msgb *usb_msg = usb_buf_alloc(SIMTRACE_USB_EP_CARD_DATAIN); if (!usb_msg) { return NULL; -- To view, visit https://gerrit.osmocom.org/9927 To unsubscribe, or for help writing mail filters, visit https://gerrit.osmocom.org/settings Gerrit-Project: simtrace2 Gerrit-Branch: master Gerrit-MessageType: merged Gerrit-Change-Id: I0e447acdf757dcb5dc5c4d8b84a4235866914cad Gerrit-Change-Number: 9927 Gerrit-PatchSet: 6 Gerrit-Owner: Kévin Redon <kredon at sysmocom.de> Gerrit-Reviewer: Harald Welte <laforge at gnumonks.org> Gerrit-Reviewer: Jenkins Builder -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.osmocom.org/pipermail/gerrit-log/attachments/20180711/1e791c68/attachment.htm>