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-rw-r--r--hw/char/sclpconsole-lm.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/hw/char/sclpconsole-lm.c b/hw/char/sclpconsole-lm.c
index 80dd0a9e13..605dd50fb4 100644
--- a/hw/char/sclpconsole-lm.c
+++ b/hw/char/sclpconsole-lm.c
@@ -52,7 +52,8 @@ typedef struct SCLPConsoleLM {
* event_pending is set when a newline character is encountered
*
* The maximum command line length is limited by the maximum
- * space available in an SCCB
+ * space available in an SCCB. Line mode console input is sent
+ * truncated to the guest in case it doesn't fit into the SCCB.
*/
static int chr_can_read(void *opaque)
@@ -61,10 +62,8 @@ static int chr_can_read(void *opaque)
if (scon->event.event_pending) {
return 0;
- } else if (SIZE_CONSOLE_BUFFER - scon->length) {
- return 1;
}
- return 0;
+ return 1;
}
static void chr_read(void *opaque, const uint8_t *buf, int size)
@@ -78,6 +77,10 @@ static void chr_read(void *opaque, const uint8_t *buf, int size)
sclp_service_interrupt(0);
return;
}
+ if (scon->length == SIZE_CONSOLE_BUFFER) {
+ /* Eat the character, but still process CR and LF. */
+ return;
+ }
scon->buf[scon->length] = *buf;
scon->length += 1;
if (scon->echo) {