diff mbox series

[1/1] hw/ssi/xilinx_spips: Fix flash earse assert in dual parallel configuration

Message ID 20240924112035.1320865-1-Shivasagar.Myana@amd.com
State New
Headers show
Series [1/1] hw/ssi/xilinx_spips: Fix flash earse assert in dual parallel configuration | expand

Commit Message

Shiva sagar Myana Sept. 24, 2024, 11:20 a.m. UTC 
Ensure that the FIFO is checked for emptiness before popping data from it.
Previously, the code directly popped the data from FIFO without checking, which
could cause an assertion failure:
../util/fifo8.c:67: fifo8_pop: Assertion `fifo->num > 0

Signed-off-by: Shiva sagar Myana <Shivasagar.Myana@amd.com>
---
 hw/ssi/xilinx_spips.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/hw/ssi/xilinx_spips.c b/hw/ssi/xilinx_spips.c
index 71952a410d..adaf404f54 100644
--- a/hw/ssi/xilinx_spips.c
+++ b/hw/ssi/xilinx_spips.c
@@ -620,7 +620,9 @@  static void xilinx_spips_flush_txfifo(XilinxSPIPS *s)
         } else if (s->snoop_state == SNOOP_STRIPING ||
                    s->snoop_state == SNOOP_NONE) {
             for (i = 0; i < num_effective_busses(s); ++i) {
-                tx_rx[i] = fifo8_pop(&s->tx_fifo);
+                if (!fifo8_is_empty(&s->tx_fifo)) {
+                    tx_rx[i] = fifo8_pop(&s->tx_fifo);
+                }
             }
             stripe8(tx_rx, num_effective_busses(s), false);
         } else if (s->snoop_state >= SNOOP_ADDR) {