diff options
Diffstat (limited to 'drivers/scsi/scsi_error.c')
| -rw-r--r-- | drivers/scsi/scsi_error.c | 29 |
1 files changed, 4 insertions, 25 deletions
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index e8350c562d2..8a525abda30 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -18,12 +18,13 @@ #include <linux/sched.h> #include <linux/timer.h> #include <linux/string.h> -#include <linux/slab.h> #include <linux/kernel.h> +#include <linux/freezer.h> #include <linux/kthread.h> #include <linux/interrupt.h> #include <linux/blkdev.h> #include <linux/delay.h> +#include <linux/scatterlist.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> @@ -640,16 +641,8 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, memcpy(scmd->cmnd, cmnd, cmnd_size); if (copy_sense) { - gfp_t gfp_mask = GFP_ATOMIC; - - if (shost->hostt->unchecked_isa_dma) - gfp_mask |= __GFP_DMA; - - sgl.page = alloc_page(gfp_mask); - if (!sgl.page) - return FAILED; - sgl.offset = 0; - sgl.length = 252; + sg_init_one(&sgl, scmd->sense_buffer, + sizeof(scmd->sense_buffer)); scmd->sc_data_direction = DMA_FROM_DEVICE; scmd->request_bufflen = sgl.length; @@ -720,18 +713,6 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, unsigned char *cmnd, /* - * Last chance to have valid sense data. - */ - if (copy_sense) { - if (!SCSI_SENSE_VALID(scmd)) { - memcpy(scmd->sense_buffer, page_address(sgl.page), - sizeof(scmd->sense_buffer)); - } - __free_page(sgl.page); - } - - - /* * Restore original data */ scmd->request_buffer = old_buffer; @@ -1536,8 +1517,6 @@ int scsi_error_handler(void *data) { struct Scsi_Host *shost = data; - current->flags |= PF_NOFREEZE; - /* * We use TASK_INTERRUPTIBLE so that the thread is not * counted against the load average as a running process. |