patch-2.4.20 linux-2.4.20/arch/s390/kernel/signal.c

• Lines: 22
• Date: Thu Nov 28 15:53:11 2002
• Orig file: linux-2.4.19/arch/s390/kernel/signal.c
• Orig date: Fri Aug 2 17:39:43 2002

diff -urN linux-2.4.19/arch/s390/kernel/signal.c linux-2.4.20/arch/s390/kernel/signal.c
@@ -335,6 +335,10 @@
 			goto give_sigsegv;
 	}
 
+	/* Set up backchain. */
+	if (__put_user(regs->gprs[15], (addr_t *) frame))
+		goto give_sigsegv;
+
 	/* Set up registers for signal handler */
 	regs->gprs[15] = (addr_t)frame;
 	regs->psw.addr = FIX_PSW(ka->sa.sa_handler);
@@ -388,6 +392,10 @@
 	                          (u16 *)(frame->retcode));
 	}
 
+	/* Set up backchain. */
+	if (__put_user(regs->gprs[15], (addr_t *) frame))
+		goto give_sigsegv;
+
 	/* Set up registers for signal handler */
 	regs->gprs[15] = (addr_t)frame;
 	regs->psw.addr = FIX_PSW(ka->sa.sa_handler);