[2/2] ASoC: SOF: Remove tokenize_input()

Commit Message

Cezary Rojewski July 7, 2022, 9:13 a.m. UTC

Now that we have strsplit_u32_user() tokenize_input() is needed no
longer. Remove it and update all occurrences of its usage.

Signed-off-by: Cezary Rojewski <[e-mail]>
---
 sound/soc/sof/sof-client-probes.c | 27 ++-------------------------
 1 file changed, 2 insertions(+), 25 deletions(-)

Patch

diff --git a/sound/soc/sof/sof-client-probes.c b/sound/soc/sof/sof-client-probes.c
index 48ebbe58e2b9..7a79a529e2b7 100644
--- a/sound/soc/sof/sof-client-probes.c
+++ b/sound/soc/sof/sof-client-probes.c
@@ -411,29 +411,6 @@  static const struct snd_compress_ops sof_probes_compressed_ops = {
 	.copy = sof_probes_compr_copy,
 };
 
-static int tokenize_input(const char __user *from, size_t count,
-			  loff_t *ppos, u32 **tkns, size_t *num_tkns)
-{
-	char *buf;
-	int ret;
-
-	buf = kmalloc(count + 1, GFP_KERNEL);
-	if (!buf)
-		return -ENOMEM;
-
-	ret = simple_write_to_buffer(buf, count, ppos, from, count);
-	if (ret != count) {
-		ret = ret >= 0 ? -EIO : ret;
-		goto exit;
-	}
-
-	buf[count] = '\0';
-	ret = strsplit_u32(buf, ",", tkns, num_tkns);
-exit:
-	kfree(buf);
-	return ret;
-}
-
 static ssize_t sof_probes_dfs_points_read(struct file *file, char __user *to,
 					  size_t count, loff_t *ppos)
 {
@@ -508,7 +485,7 @@  sof_probes_dfs_points_write(struct file *file, const char __user *from,
 		return -ENOENT;
 	}
 
-	ret = tokenize_input(from, count, ppos, &tkns, &num_tkns);
+	ret = strsplit_u32_user(from, count, ppos, ",", &tkns, &num_tkns);
 	if (ret < 0)
 		return ret;
 	bytes = sizeof(*tkns) * num_tkns;
@@ -563,7 +540,7 @@  sof_probes_dfs_points_remove_write(struct file *file, const char __user *from,
 		return -ENOENT;
 	}
 
-	ret = tokenize_input(from, count, ppos, &tkns, &num_tkns);
+	ret = strsplit_u32_user(from, count, ppos, ",", &tkns, &num_tkns);
 	if (ret < 0)
 		return ret;
 	if (!num_tkns) {