aboutsummaryrefslogtreecommitdiffstats
path: root/sound/pci/mixart
diff options
context:
space:
mode:
authorAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
committerAndrea Bastoni <bastoni@cs.unc.edu>2010-05-30 19:16:45 -0400
commitada47b5fe13d89735805b566185f4885f5a3f750 (patch)
tree644b88f8a71896307d71438e9b3af49126ffb22b /sound/pci/mixart
parent43e98717ad40a4ae64545b5ba047c7b86aa44f4f (diff)
parent3280f21d43ee541f97f8cda5792150d2dbec20d5 (diff)
Merge branch 'wip-2.6.34' into old-private-masterarchived-private-master
Diffstat (limited to 'sound/pci/mixart')
-rw-r--r--sound/pci/mixart/mixart.c27
-rw-r--r--sound/pci/mixart/mixart_hwdep.c1
2 files changed, 17 insertions, 11 deletions
diff --git a/sound/pci/mixart/mixart.c b/sound/pci/mixart/mixart.c
index a83d1968a845..3be8f97c8bc0 100644
--- a/sound/pci/mixart/mixart.c
+++ b/sound/pci/mixart/mixart.c
@@ -27,6 +27,7 @@
27#include <linux/dma-mapping.h> 27#include <linux/dma-mapping.h>
28#include <linux/moduleparam.h> 28#include <linux/moduleparam.h>
29#include <linux/mutex.h> 29#include <linux/mutex.h>
30#include <linux/slab.h>
30 31
31#include <sound/core.h> 32#include <sound/core.h>
32#include <sound/initval.h> 33#include <sound/initval.h>
@@ -60,7 +61,7 @@ MODULE_PARM_DESC(enable, "Enable Digigram " CARD_NAME " soundcard.");
60/* 61/*
61 */ 62 */
62 63
63static struct pci_device_id snd_mixart_ids[] = { 64static DEFINE_PCI_DEVICE_TABLE(snd_mixart_ids) = {
64 { PCI_VDEVICE(MOTOROLA, 0x0003), 0, }, /* MC8240 */ 65 { PCI_VDEVICE(MOTOROLA, 0x0003), 0, }, /* MC8240 */
65 { 0, } 66 { 0, }
66}; 67};
@@ -1161,13 +1162,15 @@ static long snd_mixart_BA0_read(struct snd_info_entry *entry, void *file_private
1161 unsigned long count, unsigned long pos) 1162 unsigned long count, unsigned long pos)
1162{ 1163{
1163 struct mixart_mgr *mgr = entry->private_data; 1164 struct mixart_mgr *mgr = entry->private_data;
1165 unsigned long maxsize;
1164 1166
1165 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1167 if (pos >= MIXART_BA0_SIZE)
1166 if(count <= 0)
1167 return 0; 1168 return 0;
1168 if(pos + count > MIXART_BA0_SIZE) 1169 maxsize = MIXART_BA0_SIZE - pos;
1169 count = (long)(MIXART_BA0_SIZE - pos); 1170 if (count > maxsize)
1170 if(copy_to_user_fromio(buf, MIXART_MEM( mgr, pos ), count)) 1171 count = maxsize;
1172 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1173 if (copy_to_user_fromio(buf, MIXART_MEM(mgr, pos), count))
1171 return -EFAULT; 1174 return -EFAULT;
1172 return count; 1175 return count;
1173} 1176}
@@ -1180,13 +1183,15 @@ static long snd_mixart_BA1_read(struct snd_info_entry *entry, void *file_private
1180 unsigned long count, unsigned long pos) 1183 unsigned long count, unsigned long pos)
1181{ 1184{
1182 struct mixart_mgr *mgr = entry->private_data; 1185 struct mixart_mgr *mgr = entry->private_data;
1186 unsigned long maxsize;
1183 1187
1184 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */ 1188 if (pos > MIXART_BA1_SIZE)
1185 if(count <= 0)
1186 return 0; 1189 return 0;
1187 if(pos + count > MIXART_BA1_SIZE) 1190 maxsize = MIXART_BA1_SIZE - pos;
1188 count = (long)(MIXART_BA1_SIZE - pos); 1191 if (count > maxsize)
1189 if(copy_to_user_fromio(buf, MIXART_REG( mgr, pos ), count)) 1192 count = maxsize;
1193 count = count & ~3; /* make sure the read size is a multiple of 4 bytes */
1194 if (copy_to_user_fromio(buf, MIXART_REG(mgr, pos), count))
1190 return -EFAULT; 1195 return -EFAULT;
1191 return count; 1196 return count;
1192} 1197}
diff --git a/sound/pci/mixart/mixart_hwdep.c b/sound/pci/mixart/mixart_hwdep.c
index 4cf4cd8c939c..bf2696aa5d49 100644
--- a/sound/pci/mixart/mixart_hwdep.c
+++ b/sound/pci/mixart/mixart_hwdep.c
@@ -24,6 +24,7 @@
24#include <linux/pci.h> 24#include <linux/pci.h>
25#include <linux/firmware.h> 25#include <linux/firmware.h>
26#include <linux/vmalloc.h> 26#include <linux/vmalloc.h>
27#include <linux/slab.h>
27#include <asm/io.h> 28#include <asm/io.h>
28#include <sound/core.h> 29#include <sound/core.h>
29#include "mixart.h" 30#include "mixart.h"