ptrace: Use copy_siginfo in setsiginfo and getsiginfo

Now that copy_siginfo copies all of the fields this is safe, safer (as
all of the bits are guaranteed to be copied), clearer, and less error
prone than using a structure copy.

Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman 2017-07-24 15:08:16 -05:00
commit 0752d7bf62