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-rw-r--r--hw/char/spapr_vty.c11
1 files changed, 10 insertions, 1 deletions
diff --git a/hw/char/spapr_vty.c b/hw/char/spapr_vty.c
index 31822fe..06b9b39 100644
--- a/hw/char/spapr_vty.c
+++ b/hw/char/spapr_vty.c
@@ -1,4 +1,5 @@
#include "qemu/osdep.h"
+#include "qemu/error-report.h"
#include "qapi/error.h"
#include "qemu-common.h"
#include "cpu.h"
@@ -37,7 +38,15 @@ static void vty_receive(void *opaque, const uint8_t *buf, int size)
qemu_irq_pulse(spapr_vio_qirq(&dev->sdev));
}
for (i = 0; i < size; i++) {
- assert((dev->in - dev->out) < VTERM_BUFSIZE);
+ if (dev->in - dev->out >= VTERM_BUFSIZE) {
+ static bool reported;
+ if (!reported) {
+ error_report("VTY input buffer exhausted - characters dropped."
+ " (input size = %i)", size);
+ reported = true;
+ }
+ break;
+ }
dev->buf[dev->in++ % VTERM_BUFSIZE] = buf[i];
}
}