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Diffstat (limited to 'sound/pci/emu10k1')
-rw-r--r--sound/pci/emu10k1/Makefile1
-rw-r--r--sound/pci/emu10k1/emu10k1x.c4
-rw-r--r--sound/pci/emu10k1/emufx.c14
-rw-r--r--sound/pci/emu10k1/emupcm.c10
-rw-r--r--sound/pci/emu10k1/p16v.c4
5 files changed, 21 insertions, 12 deletions
diff --git a/sound/pci/emu10k1/Makefile b/sound/pci/emu10k1/Makefile
index 29b44ca27010..17d5527be319 100644
--- a/sound/pci/emu10k1/Makefile
+++ b/sound/pci/emu10k1/Makefile
@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
#
# Makefile for ALSA
# Copyright (c) 2001 by Jaroslav Kysela <perex@perex.cz>
diff --git a/sound/pci/emu10k1/emu10k1x.c b/sound/pci/emu10k1/emu10k1x.c
index 77a4413f4564..2c2b12a06177 100644
--- a/sound/pci/emu10k1/emu10k1x.c
+++ b/sound/pci/emu10k1/emu10k1x.c
@@ -254,7 +254,7 @@ struct emu10k1x {
};
/* hardware definition */
-static struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
+static const struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -273,7 +273,7 @@ static struct snd_pcm_hardware snd_emu10k1x_playback_hw = {
.fifo_size = 0,
};
-static struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
+static const struct snd_pcm_hardware snd_emu10k1x_capture_hw = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
diff --git a/sound/pci/emu10k1/emufx.c b/sound/pci/emu10k1/emufx.c
index dc585959ca32..a2b56b188be4 100644
--- a/sound/pci/emu10k1/emufx.c
+++ b/sound/pci/emu10k1/emufx.c
@@ -698,10 +698,18 @@ static int copy_gctl(struct snd_emu10k1 *emu,
{
struct snd_emu10k1_fx8010_control_old_gpr __user *octl;
- if (emu->support_tlv)
- return copy_from_user(gctl, &_gctl[idx], sizeof(*gctl));
+ if (emu->support_tlv) {
+ if (in_kernel)
+ memcpy(gctl, (void *)&_gctl[idx], sizeof(*gctl));
+ else if (copy_from_user(gctl, &_gctl[idx], sizeof(*gctl)))
+ return -EFAULT;
+ return 0;
+ }
+
octl = (struct snd_emu10k1_fx8010_control_old_gpr __user *)_gctl;
- if (copy_from_user(gctl, &octl[idx], sizeof(*octl)))
+ if (in_kernel)
+ memcpy(gctl, (void *)&octl[idx], sizeof(*octl));
+ else if (copy_from_user(gctl, &octl[idx], sizeof(*octl)))
return -EFAULT;
gctl->tlv = NULL;
return 0;
diff --git a/sound/pci/emu10k1/emupcm.c b/sound/pci/emu10k1/emupcm.c
index 5c9054a9f69e..2683b9717215 100644
--- a/sound/pci/emu10k1/emupcm.c
+++ b/sound/pci/emu10k1/emupcm.c
@@ -556,7 +556,7 @@ static int snd_emu10k1_efx_playback_prepare(struct snd_pcm_substream *substream)
return 0;
}
-static struct snd_pcm_hardware snd_emu10k1_efx_playback =
+static const struct snd_pcm_hardware snd_emu10k1_efx_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_NONINTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -975,7 +975,7 @@ static snd_pcm_uframes_t snd_emu10k1_capture_pointer(struct snd_pcm_substream *s
* Playback support device description
*/
-static struct snd_pcm_hardware snd_emu10k1_playback =
+static const struct snd_pcm_hardware snd_emu10k1_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -999,7 +999,7 @@ static struct snd_pcm_hardware snd_emu10k1_playback =
* Capture support device description
*/
-static struct snd_pcm_hardware snd_emu10k1_capture =
+static const struct snd_pcm_hardware snd_emu10k1_capture =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1019,7 +1019,7 @@ static struct snd_pcm_hardware snd_emu10k1_capture =
.fifo_size = 0,
};
-static struct snd_pcm_hardware snd_emu10k1_capture_efx =
+static const struct snd_pcm_hardware snd_emu10k1_capture_efx =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -1742,7 +1742,7 @@ static snd_pcm_uframes_t snd_emu10k1_fx8010_playback_pointer(struct snd_pcm_subs
return snd_pcm_indirect_playback_pointer(substream, &pcm->pcm_rec, ptr);
}
-static struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
+static const struct snd_pcm_hardware snd_emu10k1_fx8010_playback =
{
.info = (SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_RESUME |
diff --git a/sound/pci/emu10k1/p16v.c b/sound/pci/emu10k1/p16v.c
index c11f1a29f35d..a30da78a95b7 100644
--- a/sound/pci/emu10k1/p16v.c
+++ b/sound/pci/emu10k1/p16v.c
@@ -122,7 +122,7 @@
*/
/* hardware definition */
-static struct snd_pcm_hardware snd_p16v_playback_hw = {
+static const struct snd_pcm_hardware snd_p16v_playback_hw = {
.info = SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |
@@ -143,7 +143,7 @@ static struct snd_pcm_hardware snd_p16v_playback_hw = {
.fifo_size = 0,
};
-static struct snd_pcm_hardware snd_p16v_capture_hw = {
+static const struct snd_pcm_hardware snd_p16v_capture_hw = {
.info = (SNDRV_PCM_INFO_MMAP |
SNDRV_PCM_INFO_INTERLEAVED |
SNDRV_PCM_INFO_BLOCK_TRANSFER |