diff options
| -rw-r--r-- | drivers/usb/storage/transport.c | 46 |
1 files changed, 4 insertions, 42 deletions
diff --git a/drivers/usb/storage/transport.c b/drivers/usb/storage/transport.c index 323293a3e61f..c646750ccc30 100644 --- a/drivers/usb/storage/transport.c +++ b/drivers/usb/storage/transport.c @@ -50,7 +50,7 @@ #include <linux/slab.h> #include <scsi/scsi.h> -#include <scsi/scsi_cmnd.h> +#include <scsi/scsi_eh.h> #include <scsi/scsi_device.h> #include "usb.h" @@ -580,25 +580,11 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) /* Now, if we need to do the auto-sense, let's do it */ if (need_auto_sense) { int temp_result; - void* old_request_buffer; - unsigned short old_sg; - unsigned old_request_bufflen; - unsigned char old_sc_data_direction; - unsigned char old_cmd_len; - unsigned char old_cmnd[MAX_COMMAND_SIZE]; - int old_resid; + struct scsi_eh_save ses; US_DEBUGP("Issuing auto-REQUEST_SENSE\n"); - /* save the old command */ - memcpy(old_cmnd, srb->cmnd, MAX_COMMAND_SIZE); - old_cmd_len = srb->cmd_len; - - /* set the command and the LUN */ - memset(srb->cmnd, 0, MAX_COMMAND_SIZE); - srb->cmnd[0] = REQUEST_SENSE; - srb->cmnd[1] = old_cmnd[1] & 0xE0; - srb->cmnd[4] = 18; + scsi_eh_prep_cmnd(srb, &ses, NULL, 0, US_SENSE_SIZE); /* FIXME: we must do the protocol translation here */ if (us->subclass == US_SC_RBC || us->subclass == US_SC_SCSI) @@ -606,36 +592,12 @@ void usb_stor_invoke_transport(struct scsi_cmnd *srb, struct us_data *us) else srb->cmd_len = 12; - /* set the transfer direction */ - old_sc_data_direction = srb->sc_data_direction; - srb->sc_data_direction = DMA_FROM_DEVICE; - - /* use the new buffer we have */ - old_request_buffer = srb->request_buffer; - srb->request_buffer = us->sensebuf; - - /* set the buffer length for transfer */ - old_request_bufflen = srb->request_bufflen; - srb->request_bufflen = US_SENSE_SIZE; - - /* set up for no scatter-gather use */ - old_sg = srb->use_sg; - srb->use_sg = 0; - /* issue the auto-sense command */ - old_resid = srb->resid; srb->resid = 0; temp_result = us->transport(us->srb, us); /* let's clean up right away */ - memcpy(srb->sense_buffer, us->sensebuf, US_SENSE_SIZE); - srb->resid = old_resid; - srb->request_buffer = old_request_buffer; - srb->request_bufflen = old_request_bufflen; - srb->use_sg = old_sg; - srb->sc_data_direction = old_sc_data_direction; - srb->cmd_len = old_cmd_len; - memcpy(srb->cmnd, old_cmnd, MAX_COMMAND_SIZE); + scsi_eh_restore_cmnd(srb, &ses); if (test_bit(US_FLIDX_TIMED_OUT, &us->flags)) { US_DEBUGP("-- auto-sense aborted\n"); |
