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@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/epl/EplSdoUdpu.c

@@ -334,7 +334,8 @@ tEplKernel EplSdoUdpuConfig(unsigned long ulIpAddr_p, unsigned int uiPort_p)
 	}
 	// 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;

drivers/staging/epl/ShbIpc-LinuxKernel.c

@@ -533,7 +533,7 @@ tShbError ShbIpcStartSignalingNewData(tShbInstance pShbInstance_p,
 	//create thread for signalling new data
 	pShbMemInst->m_tThreadNewDataId =
 		kernel_thread(ShbIpcThreadSignalNewData, pShbInstance_p,
-			  CLONE_KERNEL);
+				CLONE_FS | CLONE_FILES);
 
       Exit:
 	return ShbError;
@@ -637,7 +637,7 @@ tShbError ShbIpcStartSignalingJobReady(tShbInstance pShbInstance_p,
 	//create thread for signalling new data
 	pShbMemInst->m_tThreadJobReadyId =
 		kernel_thread(ShbIpcThreadSignalJobReady, pShbInstance_p,
-			  CLONE_KERNEL);
+				CLONE_FS | CLONE_FILES);
       Exit:
 	return ShbError;
 }