These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / tty / hvc / hvc_tile.c

diff --git a/kernel/drivers/tty/hvc/hvc_tile.c b/kernel/drivers/tty/hvc/hvc_tile.c
index 3f6cd31..9da1e84 100644 (file)
--- a/kernel/drivers/tty/hvc/hvc_tile.c
+++ b/kernel/drivers/tty/hvc/hvc_tile.c
@@ -51,7 +51,8 @@ int tile_console_write(const char *buf, int count)
                              _SIM_CONTROL_OPERATOR_BITS));
                return 0;
        } else {
-               return hv_console_write((HV_VirtAddr)buf, count);
+               /* Translate 0 bytes written to EAGAIN for hvc_console_print. */
+               return hv_console_write((HV_VirtAddr)buf, count) ?: -EAGAIN;
        }
 }