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hw/sd/sdcard: Make iolen unsigned

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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>
This commit is contained in:
Philippe Mathieu-Daudé 2020-07-07 06:12:58 +02:00
parent aecaa05922
commit 692fb0ef31
2 changed files with 2 additions and 2 deletions
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2
hw/sd/sd.c
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@ -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;