diff options
Diffstat (limited to 'sound/pci/emu10k1')
-rw-r--r-- | sound/pci/emu10k1/emu10k1x.c | 4 | ||||
-rw-r--r-- | sound/pci/emu10k1/emufx.c | 14 | ||||
-rw-r--r-- | sound/pci/emu10k1/emupcm.c | 10 | ||||
-rw-r--r-- | sound/pci/emu10k1/p16v.c | 4 |
4 files changed, 20 insertions, 12 deletions
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 | |