m68k: Check syscall_trace_enter() return code

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[ Upstream commit 2ca8a1de44 ]

Check return code of syscall_trace_enter(), and skip syscall
if -1. Return code will be left at what had been set by
ptrace or seccomp (in regs->d0).

No regression seen in testing with strace on ARAnyM.

Signed-off-by: Michael Schmitz <schmitzmic@gmail.com>
Reviewed-by: Geert Uytterhoeven <geert@linux-m68k.org>
Link: https://lore.kernel.org/r/20230112035529.13521-2-schmitzmic@gmail.com
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>

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Michael Schmitz 2023-01-12 16:55:27 +13:00 • committed by Greg Kroah-Hartman

parent 5f56767fb5

commit ab5fd43a8a

3 changed files with 7 additions and 0 deletions

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arch/m68k/68000/entry.S

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2

arch/m68k/coldfire/entry.S

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arch/m68k/kernel/entry.S

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