exit: Remove calls of do_exit after noreturn versions of die

On nds32, openrisc, s390, sh, and xtensa the function die never
returns.  Mark die __noreturn so that no one expects die to return.
Remove the do_exit calls after die as they will never be reached.

Cc: Jonas Bonn <[email protected]>
Cc: Stefan Kristiansson <[email protected]>
Cc: Stafford Horne <[email protected]>
Cc: [email protected]
Cc: Nick Hu <[email protected]>
Cc: Greentime Hu <[email protected]>
Cc: Vincent Chen <[email protected]>
Cc: Heiko Carstens <[email protected]>
Cc: Vasily Gorbik <[email protected]>
Cc: Christian Borntraeger <[email protected]>
Cc: [email protected]
Cc: Yoshinori Sato <[email protected]>
Cc: Rich Felker <[email protected]>
Cc: [email protected]
Cc: [email protected]
Cc: Chris Zankel <[email protected]>
Cc: Max Filippov <[email protected]>
Fixes: 2.3.16
Fixes: 2.3.99-pre8
Fixes: 3f65ce4d141e ("[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 5")
Fixes: 664eec400bf8 ("nds32: MMU fault handling and page table management")
Fixes: 61e85e367535 ("OpenRISC: Memory management")
Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Eric W. Biederman <[email protected]>

1 files changed, 1 insertions, 1 deletions

diff --git a/arch/sh/kernel/traps.c b/arch/sh/kernel/traps.c
index e76b22157099..cbe3201d4f21 100644
--- a/arch/sh/kernel/traps.c
+++ b/arch/sh/kernel/traps.c
@@ -20,7 +20,7 @@
 
 static DEFINE_SPINLOCK(die_lock);
 
-void die(const char *str, struct pt_regs *regs, long err)
+void __noreturn die(const char *str, struct pt_regs *regs, long err)
 {
 	static int die_counter;