From 692fb0ef31af680632c84bc18bc639cba4a0e24b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <f4bug@amsat.org>
Date: Tue, 7 Jul 2020 06:12:58 +0200
Subject: hw/sd/sdcard: Make iolen unsigned
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

I/O request length can not be negative.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20200630133912.9428-15-f4bug@amsat.org>
---
 hw/sd/sd.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'hw/sd/sd.c')

diff --git a/hw/sd/sd.c b/hw/sd/sd.c
index aa6059d2ad..fcbc1fd9d6 100644
--- a/hw/sd/sd.c
+++ b/hw/sd/sd.c
@@ -1982,7 +1982,7 @@ uint8_t sd_read_byte(SDState *sd)
 {
     /* TODO: Append CRCs */
     uint8_t ret;
-    int io_len;
+    uint32_t io_len;
 
     if (!sd->blk || !blk_is_inserted(sd->blk) || !sd->enable)
         return 0x00;
-- 
cgit v1.2.3