um: Add missing apply_returns()
authorPeter Zijlstra <peterz@infradead.org>
Thu, 14 Jul 2022 10:20:19 +0000 (12:20 +0200)
committerBorislav Petkov <bp@suse.de>
Thu, 14 Jul 2022 11:40:21 +0000 (13:40 +0200)
commit564d998106397394b6aad260f219b882b3347e62
tree5051808f23bc0cf3ba9262ddd62ed9458ec4c629
parentd16e0b26672066035439b2f49887f6576c4a3689
um: Add missing apply_returns()

Implement apply_returns() stub for UM, just like all the other patching
routines.

Fixes: 15e67227c49a ("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
arch/um/kernel/um_arch.c