tsec(4): do not clear interrupt events register before use.

Prior to this fix, IEVENT register was always cleared before calling
tsec_error_intr_locked(), which prevented error recovery actions from
happening with polling enabled (and could lead to serious problems, including
controller hang).

Submitted by:	Marcin Ligenza marcinl ! pacomp dot com dot pl

1 files changed, 2 insertions, 2 deletions

diff --git a/sys/dev/tsec/if_tsec.c b/sys/dev/tsec/if_tsec.c
index d6d5eddc6c4b..f16a1d38565c 100644
--- a/sys/dev/tsec/if_tsec.c
+++ b/sys/dev/tsec/if_tsec.c
@@ -870,11 +870,11 @@ tsec_poll(struct ifnet *ifp, enum poll_cmd cmd, int count)
 	}
 
 	if (cmd == POLL_AND_CHECK_STATUS) {
-		ie = TSEC_READ(sc, TSEC_REG_IEVENT);
+		tsec_error_intr_locked(sc, count);
 
 		/* Clear all events reported */
+		ie = TSEC_READ(sc, TSEC_REG_IEVENT);
 		TSEC_WRITE(sc, TSEC_REG_IEVENT, ie);
-		tsec_error_intr_locked(sc, count);
 	}
 
 	tsec_transmit_intr_locked(sc);