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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /drivers/s390/char
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'drivers/s390/char')
-rw-r--r--drivers/s390/char/con3215.c25
-rw-r--r--drivers/s390/char/con3270.c12
-rw-r--r--drivers/s390/char/uvdevice.c3
3 files changed, 21 insertions, 19 deletions
diff --git a/drivers/s390/char/con3215.c b/drivers/s390/char/con3215.c
index 99361618c3..0b0324fe4a 100644
--- a/drivers/s390/char/con3215.c
+++ b/drivers/s390/char/con3215.c
@@ -79,8 +79,8 @@ struct raw3215_info {
struct ccw_device *cdev; /* device for tty driver */
spinlock_t *lock; /* pointer to irq lock */
int flags; /* state flags */
- char *buffer; /* pointer to output buffer */
- char *inbuf; /* pointer to input buffer */
+ u8 *buffer; /* pointer to output buffer */
+ u8 *inbuf; /* pointer to input buffer */
int head; /* first free byte in output buffer */
int count; /* number of bytes in output buffer */
int written; /* number of bytes in write requests */
@@ -89,7 +89,6 @@ struct raw3215_info {
wait_queue_head_t empty_wait; /* wait queue for flushing */
struct timer_list timer; /* timer for delayed output */
int line_pos; /* position on the line (for tabs) */
- char ubuffer[80]; /* copy_from_user buffer */
};
/* array of 3215 devices structures */
@@ -523,12 +522,14 @@ static unsigned int raw3215_make_room(struct raw3215_info *raw,
* string without blocking.
* Return value is the number of bytes copied.
*/
-static unsigned int raw3215_addtext(const char *str, unsigned int length,
+static unsigned int raw3215_addtext(const u8 *str, size_t length,
struct raw3215_info *raw, int opmode,
unsigned int todrop)
{
- unsigned int c, ch, i, blanks, expanded_size = 0;
+ unsigned int i, blanks, expanded_size = 0;
unsigned int column = raw->line_pos;
+ size_t c;
+ u8 ch;
if (opmode == RAW3215_COUNT)
todrop = 0;
@@ -559,7 +560,7 @@ static unsigned int raw3215_addtext(const char *str, unsigned int length,
if (todrop && expanded_size < todrop) /* Drop head data */
continue;
for (i = 0; i < blanks; i++) {
- raw->buffer[raw->head] = (char)_ascebc[(int)ch];
+ raw->buffer[raw->head] = _ascebc[ch];
raw->head = (raw->head + 1) & (RAW3215_BUFFER_SIZE - 1);
raw->count++;
}
@@ -571,8 +572,8 @@ static unsigned int raw3215_addtext(const char *str, unsigned int length,
/*
* String write routine for 3215 devices
*/
-static void raw3215_write(struct raw3215_info *raw, const char *str,
- unsigned int length)
+static void raw3215_write(struct raw3215_info *raw, const u8 *str,
+ size_t length)
{
unsigned int count, avail;
unsigned long flags;
@@ -597,7 +598,7 @@ static void raw3215_write(struct raw3215_info *raw, const char *str,
/*
* Put character routine for 3215 devices
*/
-static void raw3215_putchar(struct raw3215_info *raw, unsigned char ch)
+static void raw3215_putchar(struct raw3215_info *raw, u8 ch)
{
raw3215_write(raw, &ch, 1);
}
@@ -824,12 +825,10 @@ static struct ccw_driver raw3215_ccw_driver = {
.int_class = IRQIO_C15,
};
-static void handle_write(struct raw3215_info *raw, const char *str, int count)
+static void handle_write(struct raw3215_info *raw, const u8 *str, size_t count)
{
- int i;
-
while (count > 0) {
- i = min_t(int, count, RAW3215_BUFFER_SIZE - 1);
+ size_t i = min_t(size_t, count, RAW3215_BUFFER_SIZE - 1);
raw3215_write(raw, str, i);
count -= i;
str += i;
diff --git a/drivers/s390/char/con3270.c b/drivers/s390/char/con3270.c
index 363315fa16..251d2a1c3e 100644
--- a/drivers/s390/char/con3270.c
+++ b/drivers/s390/char/con3270.c
@@ -54,7 +54,7 @@ struct tty3270_attribute {
};
struct tty3270_cell {
- unsigned char character;
+ u8 character;
struct tty3270_attribute attributes;
};
@@ -123,7 +123,7 @@ struct tty3270 {
/* Character array for put_char/flush_chars. */
unsigned int char_count;
- char char_buf[TTY3270_CHAR_BUF_SIZE];
+ u8 char_buf[TTY3270_CHAR_BUF_SIZE];
};
/* tty3270->update_flags. See tty3270_update for details. */
@@ -1255,7 +1255,7 @@ static unsigned int tty3270_write_room(struct tty_struct *tty)
* Insert character into the screen at the current position with the
* current color and highlight. This function does NOT do cursor movement.
*/
-static void tty3270_put_character(struct tty3270 *tp, char ch)
+static void tty3270_put_character(struct tty3270 *tp, u8 ch)
{
struct tty3270_line *line;
struct tty3270_cell *cell;
@@ -1561,7 +1561,7 @@ static void tty3270_goto_xy(struct tty3270 *tp, int cx, int cy)
* Pn is a numeric parameter, a string of zero or more decimal digits.
* Ps is a selective parameter.
*/
-static void tty3270_escape_sequence(struct tty3270 *tp, char ch)
+static void tty3270_escape_sequence(struct tty3270 *tp, u8 ch)
{
enum { ES_NORMAL, ES_ESC, ES_SQUARE, ES_PAREN, ES_GETPARS };
@@ -1726,7 +1726,7 @@ static void tty3270_escape_sequence(struct tty3270 *tp, char ch)
* String write routine for 3270 ttys
*/
static void tty3270_do_write(struct tty3270 *tp, struct tty_struct *tty,
- const unsigned char *buf, int count)
+ const u8 *buf, size_t count)
{
int i_msg, i;
@@ -2052,7 +2052,7 @@ con3270_write(struct console *co, const char *str, unsigned int count)
{
struct tty3270 *tp = co->data;
unsigned long flags;
- char c;
+ u8 c;
spin_lock_irqsave(&tp->view.lock, flags);
while (count--) {
diff --git a/drivers/s390/char/uvdevice.c b/drivers/s390/char/uvdevice.c
index 144cd2e035..42c9f77f8d 100644
--- a/drivers/s390/char/uvdevice.c
+++ b/drivers/s390/char/uvdevice.c
@@ -109,6 +109,7 @@ static int uvio_copy_attest_result_to_user(struct uv_cb_attest *uvcb_attest,
struct uvio_attest *uvio_attest)
{
struct uvio_attest __user *user_uvio_attest = (void __user *)uv_ioctl->argument_addr;
+ u32 __user *user_buf_add_len = (u32 __user *)&user_uvio_attest->add_data_len;
void __user *user_buf_add = (void __user *)uvio_attest->add_data_addr;
void __user *user_buf_meas = (void __user *)uvio_attest->meas_addr;
void __user *user_buf_uid = &user_uvio_attest->config_uid;
@@ -117,6 +118,8 @@ static int uvio_copy_attest_result_to_user(struct uv_cb_attest *uvcb_attest,
return -EFAULT;
if (add_data && copy_to_user(user_buf_add, add_data, uvio_attest->add_data_len))
return -EFAULT;
+ if (put_user(uvio_attest->add_data_len, user_buf_add_len))
+ return -EFAULT;
if (copy_to_user(user_buf_uid, uvcb_attest->config_uid, sizeof(uvcb_attest->config_uid)))
return -EFAULT;
return 0;