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Fix response length calculation for SCSI_REPORT_LUNS

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Change-Id: I1167851bae20d9275eb2f441ce9dc73c8b2f09b1
Reviewed-on: http://gerrit.rockbox.org/488
Reviewed-by: Frank Gevaerts <frank@gevaerts.be>
Reviewed-by: Bertrik Sikken <bertrik@sikken.nl>
Tested-by: Bertrik Sikken <bertrik@sikken.nl>
This commit is contained in:
Bertrik Sikken 2013-06-16 11:05:05 +02:00
parent c01a728c5a
commit b662e3a2dc
1 changed files with 2 additions and 1 deletions
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3
firmware/usbstack/usb_storage.c
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@ -816,7 +816,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
case SCSI_REPORT_LUNS: { case SCSI_REPORT_LUNS: {
logf("scsi report luns %d",lun); logf("scsi report luns %d",lun);
int allocation_length=0; unsigned int allocation_length=0;
int i; int i;
unsigned int response_length = 8+8*storage_num_drives(); unsigned int response_length = 8+8*storage_num_drives();
allocation_length|=(cbw->command_block[6]<<24); allocation_length|=(cbw->command_block[6]<<24);
@ -834,6 +834,7 @@ static void handle_scsi(struct command_block_wrapper* cbw)
#endif #endif
tb.lun_data->luns[i][1]=0; tb.lun_data->luns[i][1]=0;
} }
length = MIN(length, allocation_length);
send_command_result(tb.lun_data, send_command_result(tb.lun_data,
MIN(response_length, length)); MIN(response_length, length));
break; break;