linux-kernel - [PATCH] adb_probe_task: remove unneeded flush

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Message-ID: <20070614172335.GA2462@tv-sign.ru>
Date:	Thu, 14 Jun 2007 21:23:35 +0400
From:	Oleg Nesterov <oleg@...sign.ru>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	Benjamin Herrenschmidt <benh@...nel.crashing.org>,
	Paul Mackerras <paulus@...ba.org>,
	Roland McGrath <roland@...hat.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] adb_probe_task: remove unneeded flush_signals() call

adb_probe_task() is forked by "events" thread, all signals are ignored,
no need to play with signal blocking/flushing.

Signed-off-by: Oleg Nesterov <oleg@...sign.ru>

--- sig/drivers/macintosh/adb.c~3_adb	2007-05-21 13:57:51.000000000 +0400
+++ sig/drivers/macintosh/adb.c	2007-06-14 21:09:58.000000000 +0400
@@ -248,21 +248,15 @@ static int adb_scan_bus(void)
 static int
 adb_probe_task(void *x)
 {
-	sigset_t blocked;
-
 	strcpy(current->comm, "kadbprobe");
 
-	sigfillset(&blocked);
-	sigprocmask(SIG_BLOCK, &blocked, NULL);
-	flush_signals(current);
-
 	printk(KERN_INFO "adb: starting probe task...\n");
 	do_adb_reset_bus();
 	printk(KERN_INFO "adb: finished probe task...\n");
-	
+
 	adb_probe_task_pid = 0;
 	up(&adb_probe_mutex);
-	
+
 	return 0;
 }
 

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