perf sched: Use RC_CHK_EQUAL() to compare pointers

[ Upstream commit 7a4002ec9e0fced907179da94f67c3082d7b4162 ]

So that it can check two pointers to the same object properly when
REFCNT_CHECKING is on.

Fixes: 78c32f4 ("libperf rc_check: Add RC_CHK_EQUAL")
Reviewed-by: Ian Rogers <[email protected]>
Tested-by: Ian Rogers <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Namhyung Kim <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
(cherry picked from commit f7786e6a4f9c2cfa4b778454df6340c90b410faa)

Author: namhyung

tools/perf/builtin-sched.c

@@ -999,7 +999,7 @@ thread_atoms_search(struct rb_root_cached *root, struct thread *thread,
 		else if (cmp < 0)
 			node = node->rb_right;
 		else {
-			BUG_ON(thread != atoms->thread);
+			BUG_ON(!RC_CHK_EQUAL(thread, atoms->thread));
 			return atoms;
 		}
 	}