ASoC: topology: Remove unnecessary check for EOF

Caller already checks if hdr_pos is behind EOF, before calling
soc_tplg_valid_header(), so there is no need to recheck it again. This
also allows to remove behaviour of return 0 - forcing the caller to
break out of while loop.
Reviewed-by: Cezary Rojewski <cezary.rojewski@intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Signed-off-by: Amadeusz Sławiński <amadeuszx.slawinski@linux.intel.com>
Link: https://lore.kernel.org/r/20230127231111.937721-10-amadeuszx.slawinski@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/soc-topology.c

@@ -2389,9 +2389,6 @@ static int soc_tplg_manifest_load(struct soc_tplg *tplg,
 static int soc_tplg_valid_header(struct soc_tplg *tplg,
 	struct snd_soc_tplg_hdr *hdr)
 {
-	if (soc_tplg_get_hdr_offset(tplg) >= tplg->fw->size)
-		return 0;
-
 	if (le32_to_cpu(hdr->size) != sizeof(*hdr)) {
 		dev_err(tplg->dev,
 			"ASoC: invalid header size for type %d at offset 0x%lx size 0x%zx.\n",
@@ -2442,7 +2439,7 @@ static int soc_tplg_valid_header(struct soc_tplg *tplg,
 		return -EINVAL;
 	}
 
-	return 1;
+	return 0;
 }
 
 /* check header type and call appropriate handler */
@@ -2528,8 +2525,6 @@ static int soc_tplg_process_headers(struct soc_tplg *tplg)
 				dev_err(tplg->dev,
 					"ASoC: topology: invalid header: %d\n", ret);
 				return ret;
-			} else if (ret == 0) {
-				break;
 			}
 
 			/* load the header object */