aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
Diffstat
-rw-r--r--sound/oss/dmasound/dmasound_atari.c54
1 files changed, 36 insertions, 18 deletions
diff --git a/sound/oss/dmasound/dmasound_atari.c b/sound/oss/dmasound/dmasound_atari.c
index 59eb53f89318..b747e77238f8 100644
--- a/sound/oss/dmasound/dmasound_atari.c
+++ b/sound/oss/dmasound/dmasound_atari.c
@@ -217,8 +217,9 @@ static ssize_t ata_ct_u8(const u_char *userPtr, size_t userCount,
used = count*2;
while (count > 0) {
u_short data;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
*p++ = data ^ 0x8080;
count--;
}
@@ -240,8 +241,9 @@ static ssize_t ata_ct_s16be(const u_char *userPtr, size_t userCount,
used = count*2;
while (count > 0) {
u_short data;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
*p++ = data;
*p++ = data;
count--;
@@ -271,8 +273,9 @@ static ssize_t ata_ct_u16be(const u_char *userPtr, size_t userCount,
used = count*2;
while (count > 0) {
u_short data;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
data ^= 0x8000;
*p++ = data;
*p++ = data;
@@ -285,8 +288,9 @@ static ssize_t ata_ct_u16be(const u_char *userPtr, size_t userCount,
used = count*4;
while (count > 0) {
u_long data;
- if (get_user(data, ((u_int *)userPtr)++))
+ if (get_user(data, (u_int *)userPtr))
return -EFAULT;
+ userPtr += 4;
*p++ = data ^ 0x80008000;
count--;
}
@@ -309,8 +313,9 @@ static ssize_t ata_ct_s16le(const u_char *userPtr, size_t userCount,
used = count*2;
while (count > 0) {
u_short data;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
data = le2be16(data);
*p++ = data;
*p++ = data;
@@ -323,8 +328,9 @@ static ssize_t ata_ct_s16le(const u_char *userPtr, size_t userCount,
used = count*4;
while (count > 0) {
u_long data;
- if (get_user(data, ((u_int *)userPtr)++))
+ if (get_user(data, (u_int *)userPtr))
return -EFAULT;
+ userPtr += 4;
data = le2be16dbl(data);
*p++ = data;
count--;
@@ -348,8 +354,9 @@ static ssize_t ata_ct_u16le(const u_char *userPtr, size_t userCount,
used = count*2;
while (count > 0) {
u_short data;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
data = le2be16(data) ^ 0x8000;
*p++ = data;
*p++ = data;
@@ -361,8 +368,9 @@ static ssize_t ata_ct_u16le(const u_char *userPtr, size_t userCount,
used = count;
while (count > 0) {
u_long data;
- if (get_user(data, ((u_int *)userPtr)++))
+ if (get_user(data, (u_int *)userPtr))
return -EFAULT;
+ userPtr += 4;
data = le2be16dbl(data) ^ 0x80008000;
*p++ = data;
count--;
@@ -470,8 +478,9 @@ static ssize_t ata_ctx_s8(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 2)
break;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
userCount -= 2;
bal += hSpeed;
}
@@ -524,8 +533,9 @@ static ssize_t ata_ctx_u8(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 2)
break;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
data ^= 0x8080;
userCount -= 2;
bal += hSpeed;
@@ -561,8 +571,9 @@ static ssize_t ata_ctx_s16be(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 2)
break;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
userCount -= 2;
bal += hSpeed;
}
@@ -579,8 +590,9 @@ static ssize_t ata_ctx_s16be(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 4)
break;
- if (get_user(data, ((u_int *)userPtr)++))
+ if (get_user(data, (u_int *)userPtr))
return -EFAULT;
+ userPtr += 4;
userCount -= 4;
bal += hSpeed;
}
@@ -615,8 +627,9 @@ static ssize_t ata_ctx_u16be(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 2)
break;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
data ^= 0x8000;
userCount -= 2;
bal += hSpeed;
@@ -634,8 +647,9 @@ static ssize_t ata_ctx_u16be(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 4)
break;
- if (get_user(data, ((u_int *)userPtr)++))
+ if (get_user(data, (u_int *)userPtr))
return -EFAULT;
+ userPtr += 4;
data ^= 0x80008000;
userCount -= 4;
bal += hSpeed;
@@ -671,8 +685,9 @@ static ssize_t ata_ctx_s16le(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 2)
break;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
data = le2be16(data);
userCount -= 2;
bal += hSpeed;
@@ -690,8 +705,9 @@ static ssize_t ata_ctx_s16le(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 4)
break;
- if (get_user(data, ((u_int *)userPtr)++))
+ if (get_user(data, (u_int *)userPtr))
return -EFAULT;
+ userPtr += 4;
data = le2be16dbl(data);
userCount -= 4;
bal += hSpeed;
@@ -727,8 +743,9 @@ static ssize_t ata_ctx_u16le(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 2)
break;
- if (get_user(data, ((u_short *)userPtr)++))
+ if (get_user(data, (u_short *)userPtr))
return -EFAULT;
+ userPtr += 2;
data = le2be16(data) ^ 0x8000;
userCount -= 2;
bal += hSpeed;
@@ -746,8 +763,9 @@ static ssize_t ata_ctx_u16le(const u_char *userPtr, size_t userCount,
if (bal < 0) {
if (userCount < 4)
break;
- if (get_user(data, ((u_int *)userPtr)++))
+ if (get_user(data, (u_int *)userPtr))
return -EFAULT;
+ userPtr += 4;
data = le2be16dbl(data) ^ 0x80008000;
userCount -= 4;
bal += hSpeed;
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.