Messages in this thread Patch in this message | | | Date | Fri, 18 Jun 2004 11:32:12 -0700 | From | Pete Zaitcev <> | Subject | Patch for USB 2.4.26 - jumpshot's capacity |
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Yet another victim of SCSI standards which make devices return the address of the last sector instead of the number of sectors. Just about every other driver which emulates SCSI fails to report capacity right. I blame Shurgart & Associates for this.
Made from a 2.6 patch by Alan Stern.
-- Pete
diff -urp -X dontdiff linux-2.4.27-pre6/drivers/usb/storage/jumpshot.c linux-2.4.27-pre5-usbx/drivers/usb/storage/jumpshot.c --- linux-2.4.27-pre6/drivers/usb/storage/jumpshot.c 2003-06-13 07:51:37.000000000 -0700 +++ linux-2.4.27-pre5-usbx/drivers/usb/storage/jumpshot.c 2004-06-17 22:21:12.000000000 -0700 @@ -710,15 +710,8 @@ int jumpshot_transport(Scsi_Cmnd * srb, // build the reply // - ptr[0] = (info->sectors >> 24) & 0xFF; - ptr[1] = (info->sectors >> 16) & 0xFF; - ptr[2] = (info->sectors >> 8) & 0xFF; - ptr[3] = (info->sectors) & 0xFF; - - ptr[4] = (info->ssize >> 24) & 0xFF; - ptr[5] = (info->ssize >> 16) & 0xFF; - ptr[6] = (info->ssize >> 8) & 0xFF; - ptr[7] = (info->ssize) & 0xFF; + ((u32 *) ptr)[0] = cpu_to_be32(info->sectors - 1); + ((u32 *) ptr)[1] = cpu_to_be32(info->ssize); return USB_STOR_TRANSPORT_GOOD; } - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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