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[03/12] ASoC: intel: sof_sdw: Check link mask validity in get_dailink_info

Message ID 20230808132013.889419-3-ckeepax@opensource.cirrus.com
State Accepted
Commit e1cfd5fef3d6eaf0ddbc54da70ddf54462b23592
Headers show
Series [01/12] ASoC: intel: sof_sdw: Printk's should end with a newline | expand

Commit Message

Charles Keepax Aug. 8, 2023, 1:20 p.m. UTC 
As get_dailink_info spins through all the links anyway simply check the
link masks there. This saves an extra check and means the code will
fail earlier if the mask is invalid.

Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Signed-off-by: Charles Keepax <ckeepax@opensource.cirrus.com>
---
 sound/soc/intel/boards/sof_sdw.c | 12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)
diff mbox series

Patch

diff --git a/sound/soc/intel/boards/sof_sdw.c b/sound/soc/intel/boards/sof_sdw.c
index 89614d08d0918..268629d5505c3 100644
--- a/sound/soc/intel/boards/sof_sdw.c
+++ b/sound/soc/intel/boards/sof_sdw.c
@@ -1053,6 +1053,10 @@  static int get_dailink_info(struct device *dev,
 		int stream;
 		u64 adr;
 
+		/* make sure the link mask has a single bit set */
+		if (!is_power_of_2(adr_link->mask))
+			return -EINVAL;
+
 		for (i = 0; i < adr_link->num_adr; i++) {
 			adr = adr_link->adr_d[i].adr;
 			codec_index = find_codec_info_part(adr);
@@ -1302,10 +1306,6 @@  static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
 	no_aggregation = sof_sdw_quirk & SOF_SDW_NO_AGGREGATION;
 	adr_d = &adr_link->adr_d[adr_index];
 
-	/* make sure the link mask has a single bit set */
-	if (!is_power_of_2(adr_link->mask))
-		return -EINVAL;
-
 	cpu_dai_id[index++] = ffs(adr_link->mask) - 1;
 	if (!adr_d->endpoints->aggregated || no_aggregation) {
 		*cpu_dai_num = 1;
@@ -1334,10 +1334,6 @@  static int get_slave_info(const struct snd_soc_acpi_link_adr *adr_link,
 		    endpoint->group_id != *group_id)
 			continue;
 
-		/* make sure the link mask has a single bit set */
-		if (!is_power_of_2(adr_next->mask))
-			return -EINVAL;
-
 		if (index >= SDW_MAX_CPU_DAIS) {
 			dev_err(dev, "cpu_dai_id array overflows\n");
 			return -EINVAL;