tree 5079b224816aa16b627eaf853da9403ad4747da8
parent d614fd58a2834cfe4efa472c33c8f3ce2338b09b
author Dave Martin <Dave.Martin@arm.com> 1490623859 +0100
committer Linus Torvalds <torvalds@linux-foundation.org> 1490802857 -0700

sparc/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: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>