Merge /spare/repo/linux-2.6/

1 files changed, 23 insertions, 41 deletions

diff --git a/drivers/scsi/scsi_ioctl.c b/drivers/scsi/scsi_ioctl.c
index 7a6b530115ac..b7fddac81347 100644
--- a/drivers/scsi/scsi_ioctl.c
+++ b/drivers/scsi/scsi_ioctl.c
@@ -30,20 +30,20 @@
 
 #define MAX_BUF PAGE_SIZE
 
-/*
- * If we are told to probe a host, we will return 0 if  the host is not
- * present, 1 if the host is present, and will return an identifying
- * string at *arg, if arg is non null, filling to the length stored at
- * (int *) arg
+/**
+ * ioctl_probe  --  return host identification
+ * @host:       host to identify
+ * @buffer:     userspace buffer for identification
+ *
+ * Return an identifying string at @buffer, if @buffer is non-NULL, filling
+ * to the length stored at * (int *) @buffer.
  */
-
 static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
 {
         unsigned int len, slen;
         const char *string;
-        int temp = host->hostt->present;
 
-        if (temp && buffer) {
+        if (buffer) {
                 if (get_user(len, (unsigned int __user *) buffer))
                         return -EFAULT;
 
@@ -59,7 +59,7 @@ static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
                                 return -EFAULT;
                 }
         }
-        return temp;
+        return 1;
 }
 
 /*
@@ -88,25 +88,18 @@ static int ioctl_probe(struct Scsi_Host *host, void __user *buffer)
 static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
                                   int timeout, int retries)
 {
-        struct scsi_request *sreq;
         int result;
         struct scsi_sense_hdr sshdr;
 
         SCSI_LOG_IOCTL(1, printk("Trying ioctl with scsi command %d\n", *cmd));
 
-        sreq = scsi_allocate_request(sdev, GFP_KERNEL);
-        if (!sreq) {
-                printk(KERN_WARNING "SCSI internal ioctl failed, no memory\n");
-                return -ENOMEM;
-        }
-
-        sreq->sr_data_direction = DMA_NONE;
-        scsi_wait_req(sreq, cmd, NULL, 0, timeout, retries);
+        result = scsi_execute_req(sdev, cmd, DMA_NONE, NULL, 0,
+                                  &sshdr, timeout, retries);
 
-        SCSI_LOG_IOCTL(2, printk("Ioctl returned  0x%x\n", sreq->sr_result));
+        SCSI_LOG_IOCTL(2, printk("Ioctl returned  0x%x\n", result));
 
-        if ((driver_byte(sreq->sr_result) & DRIVER_SENSE) &&
-            (scsi_request_normalize_sense(sreq, &sshdr))) {
+        if ((driver_byte(result) & DRIVER_SENSE) &&
+            (scsi_sense_valid(&sshdr))) {
                 switch (sshdr.sense_key) {
                 case ILLEGAL_REQUEST:
                         if (cmd[0] == ALLOW_MEDIUM_REMOVAL)
@@ -125,7 +118,7 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
                 case UNIT_ATTENTION:
                         if (sdev->removable) {
                                 sdev->changed = 1;
-                                sreq->sr_result = 0;    /* This is no longer considered an error */
+                                result = 0;     /* This is no longer considered an error */
                                 break;
                         }
                 default:        /* Fall through for non-removable media */
@@ -135,15 +128,13 @@ static int ioctl_internal_command(struct scsi_device *sdev, char *cmd,
                                sdev->channel,
                                sdev->id,
                                sdev->lun,
-                               sreq->sr_result);
-                        scsi_print_req_sense("   ", sreq);
+                               result);
+                        scsi_print_sense_hdr("   ", &sshdr);
                         break;
                 }
         }
 
-        result = sreq->sr_result;
         SCSI_LOG_IOCTL(2, printk("IOCTL Releasing command\n"));
-        scsi_release_request(sreq);
         return result;
 }
 
@@ -208,8 +199,8 @@ int scsi_ioctl_send_command(struct scsi_device *sdev,
 {
         char *buf;
         unsigned char cmd[MAX_COMMAND_SIZE];
+        unsigned char sense[SCSI_SENSE_BUFFERSIZE];
         char __user *cmd_in;
-        struct scsi_request *sreq;
         unsigned char opcode;
         unsigned int inlen, outlen, cmdlen;
         unsigned int needed, buf_needed;
@@ -321,31 +312,23 @@ int scsi_ioctl_send_command(struct scsi_device *sdev,
                 break;
         }
 
-        sreq = scsi_allocate_request(sdev, GFP_KERNEL);
-        if (!sreq) {
-                result = -EINTR;
-                goto error;
-        }
-
-        sreq->sr_data_direction = data_direction;
-        scsi_wait_req(sreq, cmd, buf, needed, timeout, retries);
+        result = scsi_execute(sdev, cmd, data_direction, buf, needed,
+                              sense, timeout, retries, 0);
 
         /* 
          * If there was an error condition, pass the info back to the user. 
          */
-        result = sreq->sr_result;
         if (result) {
-                int sb_len = sizeof(sreq->sr_sense_buffer);
+                int sb_len = sizeof(*sense);
 
                 sb_len = (sb_len > OMAX_SB_LEN) ? OMAX_SB_LEN : sb_len;
-                if (copy_to_user(cmd_in, sreq->sr_sense_buffer, sb_len))
+                if (copy_to_user(cmd_in, sense, sb_len))
                         result = -EFAULT;
         } else {
                 if (copy_to_user(cmd_in, buf, outlen))
                         result = -EFAULT;
         }       
 
-        scsi_release_request(sreq);
 error:
         kfree(buf);
         return result;
@@ -475,8 +458,7 @@ int scsi_nonblockable_ioctl(struct scsi_device *sdev, int cmd,
          * error processing, as long as the device was opened
          * non-blocking */
         if (filp && filp->f_flags & O_NONBLOCK) {
-                if (test_bit(SHOST_RECOVERY,
-                             &sdev->host->shost_state))
+                if (sdev->host->shost_state == SHOST_RECOVERY)
                         return -ENODEV;
         } else if (!scsi_block_when_processing_errors(sdev))
                 return -ENODEV;