mips/ptrace: Preserve previous registers for short regset write

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Ensure that if userspace supplies insufficient data to PTRACE_SETREGSET
to fill all the registers, the thread's old registers are preserved.

Signed-off-by: Dave Martin <Dave.Martin@arm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

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Dave Martin 2017-03-27 15:10:58 +01:00 • committed by Linus Torvalds

parent 7195ee3120

commit d614fd58a2

1 changed files with 2 additions and 1 deletions

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arch/mips/kernel/ptrace.c

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