From: linux@audioscience.com
To: patch@alsa-project.org
Cc: tiwai@suse.de,
Eliot Blennerhassett <eblennerhassett@audioscience.com>,
alsa-devel@alsa-project.org
Subject: [PATCH] Get rid of incorrect "long" types and casts.
Date: Thu, 17 Jun 2010 17:08:36 +1200 [thread overview]
Message-ID: <1276751316-2780-1-git-send-email-linux@audioscience.com> (raw)
From: Eliot Blennerhassett <eblennerhassett@audioscience.com>
These give incorrect results for index wrap on 64 bit.
Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com>
---
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 e89991e..3b44134 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;
}
--
1.7.0.4
next reply other threads:[~2010-06-17 5:08 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-17 5:08 linux [this message]
2010-06-17 7:42 ` [PATCH] Get rid of incorrect "long" types and casts Takashi Iwai
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