From 82528cde508dff20fc0c79e738b4c4fb18e13d7e Mon Sep 17 00:00:00 2001
From: Fabien Thomas <fabient@FreeBSD.org>
Date: Mon, 29 Mar 2010 06:56:17 +0000
Subject: MFC r205694: Handling SIGPIPE will cause deadlock/crash. Return an
 error immediatly in case of hard shutdown.

---
 sys/dev/hwpmc/hwpmc_logging.c | 4 ----
 1 file changed, 4 deletions(-)

(limited to 'sys/dev')

diff --git a/sys/dev/hwpmc/hwpmc_logging.c b/sys/dev/hwpmc/hwpmc_logging.c
index 439b1fd310b7..5a17c630d941 100644
--- a/sys/dev/hwpmc/hwpmc_logging.c
+++ b/sys/dev/hwpmc/hwpmc_logging.c
@@ -298,7 +298,6 @@ pmclog_loop(void *arg)
 
 		mtx_unlock(&pmc_kthread_mtx);
 
-sigpipe_retry:
 		/* process the request */
 		PMCDBG(LOG,WRI,2, "po=%p base=%p ptr=%p", po,
 		    lb->plb_base, lb->plb_ptr);
@@ -322,9 +321,6 @@ sigpipe_retry:
 
 		if (error) {
 			/* XXX some errors are recoverable */
-			if (error == EPIPE)
-				goto sigpipe_retry;
-
 			/* send a SIGIO to the owner and exit */
 			PROC_LOCK(p);
 			psignal(p, SIGIO);
-- 
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