perf symbol: Remove redundant libbfd checks

This removes the redundant checks bfd_check_format() and
bfd_target_elf_flavour. They were previously checking different files.

Signed-off-by: Nicholas Fraser <nfraser@codeweavers.com>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Frank Ch. Eigler <fche@redhat.com>
Cc: Huw Davies <huw@codeweavers.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Kim Phillips <kim.phillips@amd.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Remi Bernon <rbernon@codeweavers.com>
Cc: Song Liu <songliubraving@fb.com>
Cc: Tommi Rantala <tommi.t.rantala@nokia.com>
Cc: Ulrich Czekalla <uczekalla@codeweavers.com>
Link: https://lore.kernel.org/r/94758ca1-0031-d7c6-6c6a-900fd77ef695@codeweavers.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

tools/perf/util/symbol.c

@@ -1585,15 +1585,6 @@ int dso__load_bfd_symbols(struct dso *dso, const char *debugfile)
 	if (section)
 		dso->text_offset = section->vma - section->filepos;
 
-	if (!bfd_check_format(abfd, bfd_object)) {
-		pr_debug2("%s: cannot read %s bfd file.\n", __func__,
-			  debugfile);
-		goto out_close;
-	}
-
-	if (bfd_get_flavour(abfd) == bfd_target_elf_flavour)
-		goto out_close;
-
 	symbols_size = bfd_get_symtab_upper_bound(abfd);
 	if (symbols_size == 0) {
 		bfd_close(abfd);