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--;
                }
                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--;
                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;
                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--;
                }
                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;
                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--;
                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;
                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--;
                        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;
                        }
                        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;
                        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;
                        }
                        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;
                        }
                        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;
                        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;
                        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;
                        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;
                        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;
                        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;