coredump: rename pid → leader_pid

Let's rename this local variable, since we are not operating on the
coredump process here after all, but on the leader of the namespace the
coredump process in, which is quite different, hence let's make this
very clear via the name.

diff --git a/src/coredump/coredump.c b/src/coredump/coredump.c
index dc725d1b22b64819c56ee79d29593f41ddab77a3..d7a1fc31ffa1c0dab6e4f56e4be31eba4f49b929 100644 (file)
--- a/src/coredump/coredump.c
+++ b/src/coredump/coredump.c
@@ -1519,7 +1519,7 @@ static int can_forward_coredump(pid_t pid) {
 static int forward_coredump_to_container(Context *context) {
         _cleanup_close_ int pidnsfd = -EBADF, mntnsfd = -EBADF, netnsfd = -EBADF, usernsfd = -EBADF, rootfd = -EBADF;
         _cleanup_close_pair_ int pair[2] = EBADF_PAIR;
-        pid_t pid, child;
+        pid_t leader_pid, child;
         struct ucred ucred = {
                 .pid = context->pid,
                 .uid = context->uid,
@@ -1527,11 +1527,11 @@ static int forward_coredump_to_container(Context *context) {
         };
         int r;
 
-        r = namespace_get_leader(context->pid, NAMESPACE_PID, &pid);
+        r = namespace_get_leader(context->pid, NAMESPACE_PID, &leader_pid);
         if (r < 0)
                 return log_debug_errno(r, "Failed to get namespace leader: %m");
 
-        r = can_forward_coredump(pid);
+        r = can_forward_coredump(leader_pid);
         if (r < 0)
                 return log_debug_errno(r, "Failed to check if coredump can be forwarded: %m");
         if (r == 0)
@@ -1546,15 +1546,15 @@ static int forward_coredump_to_container(Context *context) {
         if (r < 0)
                 return log_debug_errno(r, "Failed to set SO_PASSCRED: %m");
 
-        r = namespace_open(pid, &pidnsfd, &mntnsfd, &netnsfd, &usernsfd, &rootfd);
+        r = namespace_open(leader_pid, &pidnsfd, &mntnsfd, &netnsfd, &usernsfd, &rootfd);
         if (r < 0)
-                return log_debug_errno(r, "Failed to join namespaces of PID " PID_FMT ": %m", pid);
+                return log_debug_errno(r, "Failed to join namespaces of PID " PID_FMT ": %m", leader_pid);
 
         r = namespace_fork("(sd-coredumpns)", "(sd-coredump)", NULL, 0,
                            FORK_RESET_SIGNALS|FORK_DEATHSIG_SIGTERM,
                            pidnsfd, mntnsfd, netnsfd, usernsfd, rootfd, &child);
         if (r < 0)
-                return log_debug_errno(r, "Failed to fork into namespaces of PID " PID_FMT ": %m", pid);
+                return log_debug_errno(r, "Failed to fork into namespaces of PID " PID_FMT ": %m", leader_pid);
         if (r == 0) {
                 _cleanup_(iovw_free_freep) struct iovec_wrapper *iovw = NULL;
                 Context child_context = {};