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hw/sd/sdhci: Reset @data_count index on invalid ADMA transfers 

We neglected to clear the @data_count index on ADMA error,
allowing to trigger assertion in sdhci_read_dataport() or
sdhci_write_dataport().

Cc: qemu-stable@nongnu.org
Fixes: d7dfca0807 ("hw/sdhci: introduce standard SD host controller")
Reported-by: Zheyu Ma <zheyuma97@gmail.com>
Resolves: https://gitlab.com/qemu-project/qemu/-/issues/2455
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20240730092138.32443-4-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2024-07-30 10:41:25 +02:00
parent bd6207903e
commit ed5a159c3d
1 changed files with 1 additions and 0 deletions
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hw/sd/sdhci.c
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@ -846,6 +846,7 @@ static void sdhci_do_adma(SDHCIState *s)
}
}
if (res != MEMTX_OK) {
s->data_count = 0;
if (s->errintstsen & SDHC_EISEN_ADMAERR) {
trace_sdhci_error("Set ADMA error flag");
s->errintsts |= SDHC_EIS_ADMAERR;