volume_id: fix sqashfs detection

[elogind.git] / extras / scsi_id / scsi_serial.c

diff --git a/extras/scsi_id/scsi_serial.c b/extras/scsi_id/scsi_serial.c
index e1726bbd70add37d361315b7277d859a9f3f0a7b..c84f41e0437e9c0d84573b8adc5adcb3f02f7a35 100644 (file)
--- a/extras/scsi_id/scsi_serial.c
+++ b/extras/scsi_id/scsi_serial.c
@@ -736,6 +736,37 @@ static int do_scsi_page80_inquiry(struct sysfs_device *dev_scsi, int fd,
        return 0;
 }
 
+int scsi_std_inquiry(struct sysfs_device *dev_scsi, const char *devname,
+                    char *vendor, char *model, char *rev, char *type)
+{
+       int retval;
+       int fd;
+       unsigned char buf[SCSI_INQ_BUFF_LEN];
+
+       dbg("opening %s\n", devname);
+       fd = open(devname, O_RDONLY | O_NONBLOCK);
+       if (fd < 0) {
+               info("%s: cannot open %s: %s",
+                   dev_scsi->kernel, devname, strerror(errno));
+               return 1;
+       }
+
+       memset(buf, 0, SCSI_INQ_BUFF_LEN);
+       retval = scsi_inquiry(dev_scsi, fd, 0, 0, buf, SCSI_INQ_BUFF_LEN);
+       if (retval < 0)
+               return retval;
+
+       memcpy(vendor, buf + 8, 8);
+       memcpy(model, buf + 16, 16);
+       memcpy(rev, buf + 32, 4);
+       sprintf(type,"%x", buf[0] & 0x1f);
+
+       if (close(fd) < 0)
+               info("%s: close failed: %s", dev_scsi->kernel, strerror(errno));
+
+       return 0;
+}
+
 int scsi_get_serial (struct sysfs_device *dev_scsi, const char *devname,
                     int page_code, char *serial, char *serial_short, int len)
 {