diff options
| author | Philippe Mathieu-Daudé <f4bug@amsat.org> | 2018-02-22 15:12:54 +0000 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2018-02-22 15:12:54 +0000 |
| commit | d6911486550b794f879584821a0ec4d40e61a47b (patch) | |
| tree | 5ef060e7bb1d781599a68dc074950f650128eb00 /hw | |
| parent | 946897ce1897d50a9a432828a44e80be746066f7 (diff) | |
sdcard: check the card is in correct state for APP CMD (CMD55)
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Reviewed-by: Alistair Francis <alistair.francis@xilinx.com>
Message-id: 20180215221325.7611-14-f4bug@amsat.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/sd/sd.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/sd/sd.c b/hw/sd/sd.c index ff7ace3491..d6dd2b9a15 100644 --- a/hw/sd/sd.c +++ b/hw/sd/sd.c @@ -1386,6 +1386,14 @@ static sd_rsp_type_t sd_normal_command(SDState *sd, /* Application specific commands (Class 8) */ case 55: /* CMD55: APP_CMD */ + switch (sd->state) { + case sd_ready_state: + case sd_identification_state: + case sd_inactive_state: + return sd_illegal; + default: + break; + } if (!sd->spi) { if (sd->rca != rca) { return sd_r0; |