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Commit 011cf51d authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
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Merge "trace: ipc_logging: Fix potential dead in ipc_log_write"

parents 43b91560 273eea68

kernel/trace/ipc_logging.c

+4 −1
Original line number Diff line number Diff line
@@ -314,8 +314,11 @@ void ipc_log_write(void *ctxt, struct encode_context *ectxt) 
		ilctxt->write_page->hdr.end_time = t_now;



		ilctxt->write_page = get_next_page(ilctxt, ilctxt->write_page);

		if (WARN_ON(ilctxt->write_page == NULL))

		if (WARN_ON(ilctxt->write_page == NULL)) {

			spin_unlock(&ilctxt->context_lock_lhb1);

			read_unlock_irqrestore(&context_list_lock_lha1, flags);

			return;

		}

		ilctxt->write_page->hdr.write_offset = 0;

		ilctxt->write_page->hdr.start_time = t_now;

		memcpy((ilctxt->write_page->data +