diff options
-rw-r--r-- | extras/scsi_id/scsi_id.c | 61 | ||||
-rw-r--r-- | extras/scsi_id/scsi_id.h | 3 | ||||
-rw-r--r-- | extras/scsi_id/scsi_serial.c | 14 |
3 files changed, 40 insertions, 38 deletions
diff --git a/extras/scsi_id/scsi_id.c b/extras/scsi_id/scsi_id.c index 943cbb21ca..21b7cbeaec 100644 --- a/extras/scsi_id/scsi_id.c +++ b/extras/scsi_id/scsi_id.c @@ -538,58 +538,59 @@ static void format_serial(char *serial) /* * scsi_id: try to get an id, if one is found, printf it to stdout. - * returns a value passed to exit() - 0 if printed an id, else 1. This - * could be expanded, for example, if we want to report a failure like no - * memory etc. return 2, and return 1 for expected cases (like broken - * device found) that do not print an id. + * returns a value passed to exit() - 0 if printed an id, else 1. */ static int scsi_id(struct udev *udev, char *maj_min_dev) { - int retval; struct scsi_id_device dev_scsi; int good_dev; int page_code; - char serial_short[MAX_SERIAL_LEN]; + int retval = 0; - serial_short[0] = '\0'; - set_inq_values(udev, &dev_scsi, maj_min_dev); + memset(&dev_scsi, 0x00, sizeof(struct scsi_id_device)); + + if (set_inq_values(udev, &dev_scsi, maj_min_dev) < 0) { + retval = 1; + goto out; + } /* get per device (vendor + model) options from the config file */ - retval = per_dev_options(udev, &dev_scsi, &good_dev, &page_code); + per_dev_options(udev, &dev_scsi, &good_dev, &page_code); dbg(udev, "per dev options: good %d; page code 0x%x\n", good_dev, page_code); - if (!good_dev) { retval = 1; - } else if (scsi_get_serial(udev, - &dev_scsi, maj_min_dev, page_code, - serial_short, MAX_SERIAL_LEN)) { - retval = 1; - } else { - retval = 0; + goto out; } - if (!retval) { - if (export) { - char serial_str[MAX_SERIAL_LEN]; - printf("ID_VENDOR=%s\n", vendor_str); - printf("ID_MODEL=%s\n", model_str); - printf("ID_REVISION=%s\n", revision_str); + /* read serial number from mode pages (no values for optical drives) */ + scsi_get_serial(udev, &dev_scsi, maj_min_dev, page_code, MAX_SERIAL_LEN); + + if (export) { + char serial_str[MAX_SERIAL_LEN]; + + printf("ID_VENDOR=%s\n", vendor_str); + printf("ID_MODEL=%s\n", model_str); + printf("ID_REVISION=%s\n", revision_str); + printf("ID_TYPE=%s\n", type_str); + if (dev_scsi.serial[0] != '\0') { udev_util_replace_whitespace(dev_scsi.serial, serial_str, sizeof(serial_str)); udev_util_replace_chars(serial_str, NULL); printf("ID_SERIAL=%s\n", serial_str); - udev_util_replace_whitespace(serial_short, serial_str, sizeof(serial_str)); + udev_util_replace_whitespace(dev_scsi.serial_short, serial_str, sizeof(serial_str)); udev_util_replace_chars(serial_str, NULL); printf("ID_SERIAL_SHORT=%s\n", serial_str); - printf("ID_TYPE=%s\n", type_str); - } else { - if (reformat_serial) - format_serial(dev_scsi.serial); - printf("%s\n", dev_scsi.serial); } - dbg(udev, "%s\n", dev_scsi.serial); - retval = 0; + goto out; } + if (dev_scsi.serial[0] == '\0') { + retval = 1; + goto out; + } + if (reformat_serial) + format_serial(dev_scsi.serial); + printf("%s\n", dev_scsi.serial); +out: return retval; } diff --git a/extras/scsi_id/scsi_id.h b/extras/scsi_id/scsi_id.h index 48e4a58231..9fcadec173 100644 --- a/extras/scsi_id/scsi_id.h +++ b/extras/scsi_id/scsi_id.h @@ -37,12 +37,13 @@ struct scsi_id_device { char type[33]; char kernel[64]; char serial[MAX_SERIAL_LEN]; + char serial_short[MAX_SERIAL_LEN]; int use_sg; }; extern int scsi_std_inquiry(struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname); extern int scsi_get_serial (struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname, - int page_code, char *serial_short, int len); + int page_code, int len); /* * Page code values. diff --git a/extras/scsi_id/scsi_serial.c b/extras/scsi_id/scsi_serial.c index 20d30cf0df..cbacf379fe 100644 --- a/extras/scsi_id/scsi_serial.c +++ b/extras/scsi_id/scsi_serial.c @@ -837,7 +837,7 @@ out: int scsi_get_serial(struct udev *udev, struct scsi_id_device *dev_scsi, const char *devname, - int page_code, char *serial_short, int len) + int page_code, int len) { unsigned char page0[SCSI_INQ_BUFF_LEN]; int fd = -1; @@ -860,7 +860,7 @@ int scsi_get_serial(struct udev *udev, return 1; if (page_code == PAGE_80) { - if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, serial_short, len)) { + if (do_scsi_page80_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) { retval = 1; goto completed; } else { @@ -868,7 +868,7 @@ int scsi_get_serial(struct udev *udev, goto completed; } } else if (page_code == PAGE_83) { - if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, serial_short, len)) { + if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) { retval = 1; goto completed; } else { @@ -876,7 +876,7 @@ int scsi_get_serial(struct udev *udev, goto completed; } } else if (page_code == PAGE_83_PRE_SPC3) { - retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, serial_short, len); + retval = do_scsi_page83_prespc3_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len); if (retval) { /* * Fallback to servicing a SPC-2/3 compliant page 83 @@ -884,7 +884,7 @@ int scsi_get_serial(struct udev *udev, * conform to pre-SPC3 expectations. */ if (retval == 2) { - if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, serial_short, len)) { + if (do_scsi_page83_inquiry(udev, dev_scsi, fd, dev_scsi->serial, dev_scsi->serial_short, len)) { retval = 1; goto completed; } else { @@ -924,7 +924,7 @@ int scsi_get_serial(struct udev *udev, for (ind = 4; ind <= page0[3] + 3; ind++) if (page0[ind] == PAGE_83) if (!do_scsi_page83_inquiry(udev, dev_scsi, fd, - dev_scsi->serial, serial_short, len)) { + dev_scsi->serial, dev_scsi->serial_short, len)) { /* * Success */ @@ -935,7 +935,7 @@ int scsi_get_serial(struct udev *udev, for (ind = 4; ind <= page0[3] + 3; ind++) if (page0[ind] == PAGE_80) if (!do_scsi_page80_inquiry(udev, dev_scsi, fd, - dev_scsi->serial, serial_short, len)) { + dev_scsi->serial, dev_scsi->serial_short, len)) { /* * Success */ |