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path: root/drivers/tty/hvc/hvc_iucv.c
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Diffstat (limited to 'drivers/tty/hvc/hvc_iucv.c')
-rw-r--r--drivers/tty/hvc/hvc_iucv.c18
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/tty/hvc/hvc_iucv.c b/drivers/tty/hvc/hvc_iucv.c
index 543f35ddf5..fdecc0d637 100644
--- a/drivers/tty/hvc/hvc_iucv.c
+++ b/drivers/tty/hvc/hvc_iucv.c
@@ -215,11 +215,11 @@ static void destroy_tty_buffer_list(struct list_head *list)
* If the IUCV path has been severed, then -EPIPE is returned to cause a
* hang up (that is issued by the HVC layer).
*/
-static int hvc_iucv_write(struct hvc_iucv_private *priv,
- char *buf, int count, int *has_more_data)
+static ssize_t hvc_iucv_write(struct hvc_iucv_private *priv,
+ u8 *buf, size_t count, int *has_more_data)
{
struct iucv_tty_buffer *rb;
- int written;
+ ssize_t written;
int rc;
/* immediately return if there is no IUCV connection */
@@ -312,10 +312,10 @@ out_written:
* the routine locks the struct hvc_iucv_private->lock to call
* helper functions.
*/
-static int hvc_iucv_get_chars(uint32_t vtermno, char *buf, int count)
+static ssize_t hvc_iucv_get_chars(uint32_t vtermno, u8 *buf, size_t count)
{
struct hvc_iucv_private *priv = hvc_iucv_get_private(vtermno);
- int written;
+ ssize_t written;
int has_more_data;
if (count <= 0)
@@ -352,8 +352,8 @@ static int hvc_iucv_get_chars(uint32_t vtermno, char *buf, int count)
* If an existing IUCV communicaton path has been severed, -EPIPE is returned
* (that can be passed to HVC layer to cause a tty hangup).
*/
-static int hvc_iucv_queue(struct hvc_iucv_private *priv, const char *buf,
- int count)
+static ssize_t hvc_iucv_queue(struct hvc_iucv_private *priv, const u8 *buf,
+ size_t count)
{
size_t len;
@@ -455,12 +455,12 @@ static void hvc_iucv_sndbuf_work(struct work_struct *work)
* Locking: The method gets called under an irqsave() spinlock; and
* locks struct hvc_iucv_private->lock.
*/
-static int hvc_iucv_put_chars(uint32_t vtermno, const char *buf, int count)
+static ssize_t hvc_iucv_put_chars(uint32_t vtermno, const u8 *buf, size_t count)
{
struct hvc_iucv_private *priv = hvc_iucv_get_private(vtermno);
int queued;
- if (count <= 0)
+ if (!count)
return 0;
if (!priv)