sh: Check SR.DSP bit for DSP regset validity. (72461997) · Commits · 戴 / test

arch/sh/kernel/ptrace_32.c

+9 −0

Original line number	Diff line number	Diff line
		@@ -179,6 +179,14 @@ static int dspregs_set(struct task_struct *target,

		return ret;
		}

		static int dspregs_active(struct task_struct *target,
		const struct user_regset *regset)
		{
		struct pt_regs *regs = task_pt_regs(target);

		return regs->sr & SR_DSP ? regset->n : 0;
		}
		#endif

		/*
		@@ -213,6 +221,7 @@ static const struct user_regset sh_regsets[] = {
		.align = sizeof(long),
		.get = dspregs_get,
		.set = dspregs_set,
		.active = dspregs_active,
		},
		#endif
		};