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(parent: 552a00c) | patch
metag/ptrace: Preserve previous registers for short regset write
authorDave Martin <Dave.Martin@arm.com>
Mon, 27 Mar 2017 14:10:55 +0000 (15:10 +0100)
committerLinus Torvalds <torvalds@linux-foundation.org>
Wed, 29 Mar 2017 15:54:17 +0000 (08:54 -0700)
commit39ff4c4eca1f4c5645f6203f3ae92c04a74237cd
tree8eaa65759d128a6fb2ff25847fa1ff3170a7938etree | snapshot
parent552a00c6c97be45c0d2df9c8de6c4692177ee6bacommit | diff
metag/ptrace: Preserve previous registers for short regset write

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>
Acked-by: James Hogan <james.hogan@imgtec.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
arch/metag/kernel/ptrace.c diff | blob | history
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