From: FUJITA Tomonori sg driver rounds up the length in struct scatterlist to be a multiple of 512 in some conditions. So LLDs can't use the data length in a sg list to calculate residual. Instead, the length in struct scsi_cmnd should be used. [Geert: the variable buflen already contains scsi_bufflen(cmd)] Signed-off-by: FUJITA Tomonori Signed-off-by: Geert Uytterhoeven Cc: James Bottomley --- drivers/scsi/ps3rom.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/drivers/scsi/ps3rom.c +++ b/drivers/scsi/ps3rom.c @@ -124,7 +124,7 @@ static int fill_from_dev_buffer(struct s } req_len += sgpnt->length; } - scsi_set_resid(cmd, req_len - act_len); + scsi_set_resid(cmd, buflen - act_len); return 0; } -- With kind regards, Geert Uytterhoeven Software Architect Sony Network and Software Technology Center Europe The Corporate Village · Da Vincilaan 7-D1 · B-1935 Zaventem · Belgium Phone: +32 (0)2 700 8453 Fax: +32 (0)2 700 8622 E-mail: Geert.Uytterhoeven@sonycom.com Internet: http://www.sony-europe.com/ Sony Network and Software Technology Center Europe A division of Sony Service Centre (Europe) N.V. Registered office: Technologielaan 7 · B-1840 Londerzeel · Belgium VAT BE 0413.825.160 · RPR Brussels Fortis Bank Zaventem · Swift GEBABEBB08A · IBAN BE39001382358619