diff mbox series

[4/5] ASoC: SOF: control: remove const in sizeof()

Message ID 20200921110814.2910477-5-kai.vehmanen@linux.intel.com
State New
Headers show
Series ASoC: SOF: fix kcontrol size checks | expand

Commit Message

Kai Vehmanen Sept. 21, 2020, 11:08 a.m. UTC 
From: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>

We should only use the type, the const attribute makes no sense in
sizeof().

Reported-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
---
 sound/soc/sof/control.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)
diff mbox series

Patch

diff --git a/sound/soc/sof/control.c b/sound/soc/sof/control.c
index 0352d2b61358..056c86ad5a47 100644
--- a/sound/soc/sof/control.c
+++ b/sound/soc/sof/control.c
@@ -309,7 +309,7 @@  int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
 	 * the length (as bytes) is needed to know the correct copy
 	 * length of data from tlvd->tlv.
 	 */
-	if (copy_from_user(&header, tlvd, sizeof(const struct snd_ctl_tlv)))
+	if (copy_from_user(&header, tlvd, sizeof(struct snd_ctl_tlv)))
 		return -EFAULT;
 
 	/* make sure TLV info is consistent */
@@ -351,7 +351,7 @@  int snd_sof_bytes_ext_put(struct snd_kcontrol *kcontrol,
 	}
 
 	/* be->max has been verified to be >= sizeof(struct sof_abi_hdr) */
-	if (cdata->data->size > be->max - sizeof(const struct sof_abi_hdr)) {
+	if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) {
 		dev_err_ratelimited(scomp->dev, "error: Mismatch in ABI data size (truncated?).\n");
 		return -EINVAL;
 	}
@@ -405,15 +405,15 @@  int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _
 		goto out;
 
 	/* check data size doesn't exceed max coming from topology */
-	if (cdata->data->size > be->max - sizeof(const struct sof_abi_hdr)) {
+	if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) {
 		dev_err_ratelimited(scomp->dev, "error: user data size %d exceeds max size %zu.\n",
 				    cdata->data->size,
-				    be->max - sizeof(const struct sof_abi_hdr));
+				    be->max - sizeof(struct sof_abi_hdr));
 		ret = -EINVAL;
 		goto out;
 	}
 
-	data_size = cdata->data->size + sizeof(const struct sof_abi_hdr);
+	data_size = cdata->data->size + sizeof(struct sof_abi_hdr);
 
 	/* make sure we don't exceed size provided by user space for data */
 	if (data_size > size) {
@@ -423,7 +423,7 @@  int snd_sof_bytes_ext_volatile_get(struct snd_kcontrol *kcontrol, unsigned int _
 
 	header.numid = scontrol->cmd;
 	header.length = data_size;
-	if (copy_to_user(tlvd, &header, sizeof(const struct snd_ctl_tlv))) {
+	if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv))) {
 		ret = -EFAULT;
 		goto out;
 	}
@@ -466,14 +466,14 @@  int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
 	cdata->data->abi = SOF_ABI_VERSION;
 
 	/* check data size doesn't exceed max coming from topology */
-	if (cdata->data->size > be->max - sizeof(const struct sof_abi_hdr)) {
+	if (cdata->data->size > be->max - sizeof(struct sof_abi_hdr)) {
 		dev_err_ratelimited(scomp->dev, "error: user data size %d exceeds max size %zu.\n",
 				    cdata->data->size,
-				    be->max - sizeof(const struct sof_abi_hdr));
+				    be->max - sizeof(struct sof_abi_hdr));
 		return -EINVAL;
 	}
 
-	data_size = cdata->data->size + sizeof(const struct sof_abi_hdr);
+	data_size = cdata->data->size + sizeof(struct sof_abi_hdr);
 
 	/* make sure we don't exceed size provided by user space for data */
 	if (data_size > size)
@@ -481,7 +481,7 @@  int snd_sof_bytes_ext_get(struct snd_kcontrol *kcontrol,
 
 	header.numid = scontrol->cmd;
 	header.length = data_size;
-	if (copy_to_user(tlvd, &header, sizeof(const struct snd_ctl_tlv)))
+	if (copy_to_user(tlvd, &header, sizeof(struct snd_ctl_tlv)))
 		return -EFAULT;
 
 	if (copy_to_user(tlvd->tlv, cdata->data, data_size))