diff options
| author | Eliot Blennerhassett <eblennerhassett@audioscience.com> | 2010-06-17 17:08:36 +1200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-06-17 09:33:59 +0200 |
| commit | 2a383cb3f1a571b281c2e1ace4c8491f0370e866 (patch) | |
| tree | 728d9922414da49632b063520902f27ec7725428 /sound | |
| parent | e8bdb6bbab60a8731f21823c86391f176d052348 (diff) | |
| download | linux-2a383cb3f1a571b281c2e1ace4c8491f0370e866.tar.bz2 | |
ALSA: asihpi - Get rid of incorrect "long" types and casts.
These give incorrect results for index wrap on 64 bit.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/asihpi/hpi6205.c | 22 |
1 files changed, 11 insertions, 11 deletions
diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c index e89991ea3543..3b4413448226 100644 --- a/sound/pci/asihpi/hpi6205.c +++ b/sound/pci/asihpi/hpi6205.c @@ -941,11 +941,11 @@ static void outstream_host_buffer_free(struct hpi_adapter_obj *pao, } -static long outstream_get_space_available(struct hpi_hostbuffer_status +static u32 outstream_get_space_available(struct hpi_hostbuffer_status *status) { - return status->size_in_bytes - ((long)(status->host_index) - - (long)(status->dSP_index)); + return status->size_in_bytes - (status->host_index - + status->dSP_index); } static void outstream_write(struct hpi_adapter_obj *pao, @@ -954,7 +954,7 @@ static void outstream_write(struct hpi_adapter_obj *pao, struct hpi_hw_obj *phw = pao->priv; struct bus_master_interface *interface = phw->p_interface_buffer; struct hpi_hostbuffer_status *status; - long space_available; + u32 space_available; if (!phw->outstream_host_buffer_size[phm->obj_index]) { /* there is no BBM buffer, write via message */ @@ -1007,7 +1007,7 @@ static void outstream_write(struct hpi_adapter_obj *pao, } space_available = outstream_get_space_available(status); - if (space_available < (long)phm->u.d.u.data.data_size) { + if (space_available < phm->u.d.u.data.data_size) { phr->error = HPI_ERROR_INVALID_DATASIZE; return; } @@ -1018,7 +1018,7 @@ static void outstream_write(struct hpi_adapter_obj *pao, && hpios_locked_mem_valid(&phw->outstream_host_buffers[phm-> obj_index])) { u8 *p_bbm_data; - long l_first_write; + u32 l_first_write; u8 *p_app_data = (u8 *)phm->u.d.u.data.pb_data; if (hpios_locked_mem_get_virt_addr(&phw-> @@ -1248,9 +1248,9 @@ static void instream_start(struct hpi_adapter_obj *pao, hw_message(pao, phm, phr); } -static long instream_get_bytes_available(struct hpi_hostbuffer_status *status) +static u32 instream_get_bytes_available(struct hpi_hostbuffer_status *status) { - return (long)(status->dSP_index) - (long)(status->host_index); + return status->dSP_index - status->host_index; } static void instream_read(struct hpi_adapter_obj *pao, @@ -1259,9 +1259,9 @@ static void instream_read(struct hpi_adapter_obj *pao, struct hpi_hw_obj *phw = pao->priv; struct bus_master_interface *interface = phw->p_interface_buffer; struct hpi_hostbuffer_status *status; - long data_available; + u32 data_available; u8 *p_bbm_data; - long l_first_read; + u32 l_first_read; u8 *p_app_data = (u8 *)phm->u.d.u.data.pb_data; if (!phw->instream_host_buffer_size[phm->obj_index]) { @@ -1272,7 +1272,7 @@ static void instream_read(struct hpi_adapter_obj *pao, status = &interface->instream_host_buffer_status[phm->obj_index]; data_available = instream_get_bytes_available(status); - if (data_available < (long)phm->u.d.u.data.data_size) { + if (data_available < phm->u.d.u.data.data_size) { phr->error = HPI_ERROR_INVALID_DATASIZE; return; } |