linux-kernel - [PATCH] drivers/staging/epl: do not use CLONE_SIGHAND with allow

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Message-ID: <20090503221531.GA26415@redhat.com>
Date:	Mon, 4 May 2009 00:15:31 +0200
From:	Oleg Nesterov <oleg@...hat.com>
To:	Andrew Morton <akpm@...ux-foundation.org>,
	Greg Kroah-Hartman <gregkh@...e.de>
Cc:	Daniel Krueger <daniel.krueger@...tec-electronic.com>,
	Ronald Sieber <Ronald.Sieber@...tec-electronic.com>,
	linux-kernel@...r.kernel.org
Subject: [PATCH] drivers/staging/epl: do not use CLONE_SIGHAND with
	allow_signal()

Not sure this patch is really needed since kernel_thread() is deprecated
(and checkpatch.pl complains).

But we should not use kernel_thread(CLONE_SIGHAND) if we are going to play
with signals.

Signed-off-by: Oleg Nesterov <oleg@...hat.com>
---

 drivers/staging/epl/EplSdoUdpu.c         |    3 ++-
 drivers/staging/epl/ShbIpc-LinuxKernel.c |    8 ++++----
 2 files changed, 6 insertions(+), 5 deletions(-)

--- PTRACE/drivers/staging/epl/EplSdoUdpu.c~AS_2	2009-04-06 00:03:39.000000000 +0200
+++ PTRACE/drivers/staging/epl/EplSdoUdpu.c	2009-05-04 00:03:50.000000000 +0200
@@ -334,7 +334,8 @@ tEplKernel EplSdoUdpuConfig(unsigned lon
 	}
 	// create Listen-Thread
 	SdoUdpInstance_g.m_ThreadHandle =
-	    kernel_thread(EplSdoUdpThread, &SdoUdpInstance_g, CLONE_KERNEL);
+		kernel_thread(EplSdoUdpThread, &SdoUdpInstance_g,
+				CLONE_FS | CLONE_FILES);
 	if (SdoUdpInstance_g.m_ThreadHandle == 0) {
 		Ret = kEplSdoUdpThreadError;
 		goto Exit;
--- PTRACE/drivers/staging/epl/ShbIpc-LinuxKernel.c~AS_2	2009-04-06 00:03:39.000000000 +0200
+++ PTRACE/drivers/staging/epl/ShbIpc-LinuxKernel.c	2009-05-03 23:54:04.000000000 +0200
@@ -532,8 +532,8 @@ tShbError ShbIpcStartSignalingNewData(tS
 
 	//create thread for signalling new data
 	pShbMemInst->m_tThreadNewDataId =
-	    kernel_thread(ShbIpcThreadSignalNewData, pShbInstance_p,
-			  CLONE_KERNEL);
+		kernel_thread(ShbIpcThreadSignalNewData, pShbInstance_p,
+				CLONE_FS | CLONE_FILES);
 
       Exit:
 	return ShbError;
@@ -636,8 +636,8 @@ tShbError ShbIpcStartSignalingJobReady(t
 	pShbMemHeader->m_fJobReady = FALSE;
 	//create thread for signalling new data
 	pShbMemInst->m_tThreadJobReadyId =
-	    kernel_thread(ShbIpcThreadSignalJobReady, pShbInstance_p,
-			  CLONE_KERNEL);
+		kernel_thread(ShbIpcThreadSignalJobReady, pShbInstance_p,
+				CLONE_FS | CLONE_FILES);
       Exit:
 	return ShbError;
 }

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