[binutils-gdb] gdb/linux-nat: use get_ptrace_pid in two spots

[Simon Marchi <simark@sourceware.org>]

https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=0acd1110b69839d484b4b536a24b3477b06d6dfa

commit 0acd1110b69839d484b4b536a24b3477b06d6dfa
Author: Simon Marchi <simon.marchi@polymtl.ca>
Date:   Fri Dec 2 15:09:20 2022 -0500

    gdb/linux-nat: use get_ptrace_pid in two spots
    
    No behavior change expected.
    
    Change-Id: Ifaa64ecd619483646b024fd7c62e571e92a8eedb

Diff:
---
 gdb/linux-nat.c | 12 ++----------
 1 file changed, 2 insertions(+), 10 deletions(-)

diff --git a/gdb/linux-nat.c b/gdb/linux-nat.c
index 17e5dce08c3..9ab8b845cbb 100644
--- a/gdb/linux-nat.c
+++ b/gdb/linux-nat.c
@@ -3611,20 +3611,16 @@ linux_xfer_siginfo (enum target_object object,
 		    const gdb_byte *writebuf, ULONGEST offset, ULONGEST len,
 		    ULONGEST *xfered_len)
 {
-  int pid;
   siginfo_t siginfo;
   gdb_byte inf_siginfo[sizeof (siginfo_t)];
 
   gdb_assert (object == TARGET_OBJECT_SIGNAL_INFO);
   gdb_assert (readbuf || writebuf);
 
-  pid = inferior_ptid.lwp ();
-  if (pid == 0)
-    pid = inferior_ptid.pid ();
-
   if (offset > sizeof (siginfo))
     return TARGET_XFER_E_IO;
 
+  int pid = get_ptrace_pid (inferior_ptid);
   errno = 0;
   ptrace (PTRACE_GETSIGINFO, pid, (PTRACE_TYPE_ARG3) 0, &siginfo);
   if (errno != 0)
@@ -4446,11 +4442,7 @@ linux_nat_target::linux_nat_target ()
 int
 linux_nat_get_siginfo (ptid_t ptid, siginfo_t *siginfo)
 {
-  int pid;
-
-  pid = ptid.lwp ();
-  if (pid == 0)
-    pid = ptid.pid ();
+  int pid = get_ptrace_pid (ptid);
 
   errno = 0;
   ptrace (PTRACE_GETSIGINFO, pid, (PTRACE_TYPE_ARG3) 0, siginfo);