diff mbox series

[03/13] esp.c: replace cmdfifo use of esp_fifo_pop() in do_message_phase()

Message ID 20240216210633.1376066-4-mark.cave-ayland@ilande.co.uk
State New
Headers show
Series esp: avoid explicit setting of DRQ within ESP state machine | expand

Commit Message

Mark Cave-Ayland Feb. 16, 2024, 9:06 p.m. UTC 
Signed-off-by: Mark Cave-Ayland <mark.cave-ayland@ilande.co.uk>
---
 hw/scsi/esp.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/scsi/esp.c b/hw/scsi/esp.c
index 100560244b..7a24515bb9 100644
--- a/hw/scsi/esp.c
+++ b/hw/scsi/esp.c
@@ -312,7 +312,8 @@  static void do_message_phase(ESPState *s)
     uint32_t n;
 
     if (s->cmdfifo_cdb_offset) {
-        uint8_t message = esp_fifo_pop(&s->cmdfifo);
+        uint8_t message = fifo8_is_empty(&s->cmdfifo) ? 0 :
+                          fifo8_pop(&s->cmdfifo);
 
         trace_esp_do_identify(message);
         s->lun = message & 7;