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um: Add missing apply_returns()
commit564d998106
upstream. Implement apply_returns() stub for UM, just like all the other patching routines. Fixes:15e67227c4
("x86: Undo return-thunk damage") Reported-by: Randy Dunlap <rdunlap@infradead.org) Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Signed-off-by: Borislav Petkov <bp@suse.de> Link: https://lore.kernel.org/r/Ys%2Ft45l%2FgarIrD0u@worktop.programming.kicks-ass.net Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -425,6 +425,10 @@ void apply_retpolines(s32 *start, s32 *end)
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{
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}
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void apply_returns(s32 *start, s32 *end)
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{
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}
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void apply_alternatives(struct alt_instr *start, struct alt_instr *end)
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{
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}
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