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um: Give start_idle_thread() a return code
authorRichard Weinberger <richard@nod.at>
Fri, 15 Jun 2018 14:42:56 +0000 (16:42 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Tue, 27 Nov 2018 15:12:59 +0000 (16:12 +0100)
commitd21e4ba36f8980006c252752b9631c12f0f103b0
tree4d722e500783482b47751784e048a3d6109f4926tree
parent6cddd65095279b6f6045ad86624c54e2ee2701ddcommit | diff
um: Give start_idle_thread() a return code

[ Upstream commit 7ff1e34bbdc15acab823b1ee4240e94623d50ee8 ]

Fixes:
arch/um/os-Linux/skas/process.c:613:1: warning: control reaches end of
non-void function [-Wreturn-type]

longjmp() never returns but gcc still warns that the end of the function
can be reached.
Add a return code and debug aid to detect this impossible case.

Signed-off-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Sasha Levin <sashal@kernel.org>
arch/um/os-Linux/skas/process.c diff | blob | history