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Commit 4fad0f74 authored by Stephen Crane's avatar Stephen Crane Committed by Automerger Merge Worker
Browse files

storageproxyd: Fix inverted conditional in error checking am: 237679cf 

Original change: https://googleplex-android-review.googlesource.com/c/platform/system/core/+/15983384

Change-Id: I5de8a5f25b86fe435322aec15cb29afe9049b341
parents 72170976 237679cf

trusty/storage/proxy/rpmb.c

+14 −7
Original line number Diff line number Diff line
@@ -179,8 +179,15 @@ static void set_sg_io_hdr(sg_io_hdr_t* io_hdrp, int dxfer_direction, unsigned ch 
    io_hdrp->timeout = TIMEOUT;

}



/* Returns false if the sense data was valid and no errors were present */

static bool check_scsi_sense(const uint8_t* sense_buf, size_t len) {

/**

 * unexpected_scsi_sense - Check for unexpected codes in the sense buffer.

 * @sense_buf: buffer containing sense data

 * @len:       length of @sense_buf

 *

 * Return: %true if the sense data is not valid or contains an unexpected sense

 * code, %false otherwise.

 */

static bool unexpected_scsi_sense(const uint8_t* sense_buf, size_t len) {

    uint8_t response_code = 0;

    uint8_t sense_key = 0;

    uint8_t additional_sense_code = 0;
@@ -189,14 +196,14 @@ static bool check_scsi_sense(const uint8_t* sense_buf, size_t len) { 


    if (!sense_buf || len == 0) {

        ALOGE("Invalid SCSI sense buffer, length: %zu\n", len);

        return false;

        return true;

    }



    response_code = 0x7f & sense_buf[0];



    if (response_code < 0x70 || response_code > 0x73) {

        ALOGE("Invalid SCSI sense response code: %hhu\n", response_code);

        return false;

        return true;

    }



    if (response_code >= 0x72) {
@@ -234,13 +241,13 @@ static bool check_scsi_sense(const uint8_t* sense_buf, size_t len) { 
        case 0x0f: /* COMPLETED, not present in kernel headers */

            ALOGD("SCSI success with sense data: key=%hhu, asc=%hhu, ascq=%hhu\n", sense_key,

                  additional_sense_code, additional_sense_code_qualifier);

            return true;

            return false;

    }



    ALOGE("Unexpected SCSI sense data: key=%hhu, asc=%hhu, ascq=%hhu\n", sense_key,

          additional_sense_code, additional_sense_code_qualifier);

    log_buf(ANDROID_LOG_ERROR, "sense buffer: ", sense_buf, len);

    return false;

    return true;

}



static void check_sg_io_hdr(const sg_io_hdr_t* io_hdrp) {
@@ -253,7 +260,7 @@ static void check_sg_io_hdr(const sg_io_hdr_t* io_hdrp) { 
    }



    if (io_hdrp->masked_status != GOOD && io_hdrp->sb_len_wr > 0) {

        bool sense_error = check_scsi_sense(io_hdrp->sbp, io_hdrp->sb_len_wr);

        bool sense_error = unexpected_scsi_sense(io_hdrp->sbp, io_hdrp->sb_len_wr);

        if (sense_error) {

            ALOGE("Unexpected SCSI sense. masked_status: %hhu, host_status: %hu, driver_status: "

                  "%hu\n",