diff options
| -rw-r--r-- | sound/pci/asihpi/hpi6205.c | 15 | ||||
| -rw-r--r-- | sound/pci/asihpi/hpi6205.h | 25 | ||||
| -rw-r--r-- | sound/pci/asihpi/hpicmn.c | 13 |
3 files changed, 34 insertions, 19 deletions
diff --git a/sound/pci/asihpi/hpi6205.c b/sound/pci/asihpi/hpi6205.c index faff9e37779..8831a6f179e 100644 --- a/sound/pci/asihpi/hpi6205.c +++ b/sound/pci/asihpi/hpi6205.c @@ -2085,13 +2085,13 @@ static u16 message_response_sequence(struct hpi_adapter_obj *pao, u16 err = 0; message_count++; - if (phm->size > sizeof(interface->u)) { + if (phm->size > sizeof(interface->u.message_buffer)) { phr->error = HPI_ERROR_MESSAGE_BUFFER_TOO_SMALL; - phr->specific_error = sizeof(interface->u); + phr->specific_error = sizeof(interface->u.message_buffer); phr->size = sizeof(struct hpi_response_header); HPI_DEBUG_LOG(ERROR, "message len %d too big for buffer %zd \n", phm->size, - sizeof(interface->u)); + sizeof(interface->u.message_buffer)); return 0; } @@ -2123,18 +2123,19 @@ static u16 message_response_sequence(struct hpi_adapter_obj *pao, /* read the result */ if (time_out) { - if (interface->u.response_buffer.size <= phr->size) + if (interface->u.response_buffer.response.size <= phr->size) memcpy(phr, &interface->u.response_buffer, - interface->u.response_buffer.size); + interface->u.response_buffer.response.size); else { HPI_DEBUG_LOG(ERROR, "response len %d too big for buffer %d\n", - interface->u.response_buffer.size, phr->size); + interface->u.response_buffer.response.size, + phr->size); memcpy(phr, &interface->u.response_buffer, sizeof(struct hpi_response_header)); phr->error = HPI_ERROR_RESPONSE_BUFFER_TOO_SMALL; phr->specific_error = - interface->u.response_buffer.size; + interface->u.response_buffer.response.size; phr->size = sizeof(struct hpi_response_header); } } diff --git a/sound/pci/asihpi/hpi6205.h b/sound/pci/asihpi/hpi6205.h index df2f02c0c7b..ec0827b633a 100644 --- a/sound/pci/asihpi/hpi6205.h +++ b/sound/pci/asihpi/hpi6205.h @@ -1,7 +1,7 @@ /***************************************************************************** AudioScience HPI driver - Copyright (C) 1997-2010 AudioScience Inc. <support@audioscience.com> + Copyright (C) 1997-2011 AudioScience Inc. <support@audioscience.com> This program is free software; you can redistribute it and/or modify it under the terms of version 2 of the GNU General Public License as @@ -70,15 +70,28 @@ The Host located memory buffer that the 6205 will bus master in and out of. ************************************************************/ #define HPI6205_SIZEOF_DATA (16*1024) + +struct message_buffer_6205 { + struct hpi_message message; + char data[256]; +}; + +struct response_buffer_6205 { + struct hpi_response response; + char data[256]; +}; + +union buffer_6205 { + struct message_buffer_6205 message_buffer; + struct response_buffer_6205 response_buffer; + u8 b_data[HPI6205_SIZEOF_DATA]; +}; + struct bus_master_interface { u32 host_cmd; u32 dsp_ack; u32 transfer_size_in_bytes; - union { - struct hpi_message_header message_buffer; - struct hpi_response_header response_buffer; - u8 b_data[HPI6205_SIZEOF_DATA]; - } u; + union buffer_6205 u; struct controlcache_6205 control_cache; struct async_event_buffer_6205 async_buffer; struct hpi_hostbuffer_status diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c index 801dcd89c86..fe2e1ae3853 100644 --- a/sound/pci/asihpi/hpicmn.c +++ b/sound/pci/asihpi/hpicmn.c @@ -315,8 +315,7 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache, short found = 1; struct hpi_control_cache_info *pI; struct hpi_control_cache_single *pC; - struct hpi_control_cache_pad *p_pad; - + u16 response_size; if (!find_control(phm->obj_index, p_cache, &pI)) { HPI_DEBUG_LOG(VERBOSE, "HPICMN find_control() failed for adap %d\n", @@ -326,11 +325,15 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache, phr->error = 0; + /* set the default response size */ + response_size = + sizeof(struct hpi_response_header) + + sizeof(struct hpi_control_res); + /* pC is the default cached control strucure. May be cast to something else in the following switch statement. */ pC = (struct hpi_control_cache_single *)pI; - p_pad = (struct hpi_control_cache_pad *)pI; switch (pI->control_type) { @@ -529,9 +532,7 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache, pI->control_index, pI->control_type, phm->u.c.attribute); if (found) - phr->size = - sizeof(struct hpi_response_header) + - sizeof(struct hpi_control_res); + phr->size = response_size; return found; } |