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authorLinus Torvalds <torvalds@linux-foundation.org>2008-05-02 13:52:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-05-02 13:52:35 -0700
commitd626e3bf728c47746f2129aa00c775d4e8c2a73b (patch)
tree551a8c362c7b9833e7848bc6167cf322f75563a1 /block
parentb66e1f11ebc429569a3784aaf64123633d9e3ed1 (diff)
parent7ad4a485002c141f156a014e89542e01e7f8e36a (diff)
downloadlinux-d626e3bf728c47746f2129aa00c775d4e8c2a73b.tar.gz
Merge git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6:
  [SCSI] aic94xx: fix section mismatch
  [SCSI] u14-34f: Fix 32bit only problem
  [SCSI] dpt_i2o: sysfs code
  [SCSI] dpt_i2o: 64 bit support
  [SCSI] dpt_i2o: move from virt_to_bus/bus_to_virt to dma_alloc_coherent
  [SCSI] dpt_i2o: use standard __init / __exit code
  [SCSI] megaraid_sas: fix suspend/resume sections
  [SCSI] aacraid: Add Power Management support
  [SCSI] aacraid: Fix jbod operations scan issues
  [SCSI] aacraid: Fix warning about macro side-effects
  [SCSI] add support for variable length extended commands
  [SCSI] Let scsi_cmnd->cmnd use request->cmd buffer
  [SCSI] bsg: add large command support
  [SCSI] aacraid: Fix down_interruptible() to check the return value correctly
  [SCSI] megaraid_sas; Update the Version and Changelog
  [SCSI] ibmvscsi: Handle non SCSI error status
  [SCSI] bug fix for free list handling
  [SCSI] ipr: Rename ipr's state scsi host attribute to prevent collisions
  [SCSI] megaraid_mbox: fix Dell CERC firmware problem
Diffstat (limited to 'block')
-rw-r--r--block/bsg.c12
-rw-r--r--block/scsi_ioctl.c5
2 files changed, 11 insertions, 6 deletions
diff --git a/block/bsg.c b/block/bsg.c
index fa796b605f55..f0b7cd343216 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -174,7 +174,11 @@ unlock:
 static int blk_fill_sgv4_hdr_rq(struct request_queue *q, struct request *rq,
 				struct sg_io_v4 *hdr, int has_write_perm)
 {
-	memset(rq->cmd, 0, BLK_MAX_CDB); /* ATAPI hates garbage after CDB */
+	if (hdr->request_len > BLK_MAX_CDB) {
+		rq->cmd = kzalloc(hdr->request_len, GFP_KERNEL);
+		if (!rq->cmd)
+			return -ENOMEM;
+	}
 
 	if (copy_from_user(rq->cmd, (void *)(unsigned long)hdr->request,
 			   hdr->request_len))
@@ -211,8 +215,6 @@ bsg_validate_sgv4_hdr(struct request_queue *q, struct sg_io_v4 *hdr, int *rw)
 
 	if (hdr->guard != 'Q')
 		return -EINVAL;
-	if (hdr->request_len > BLK_MAX_CDB)
-		return -EINVAL;
 	if (hdr->dout_xfer_len > (q->max_sectors << 9) ||
 	    hdr->din_xfer_len > (q->max_sectors << 9))
 		return -EIO;
@@ -302,6 +304,8 @@ bsg_map_hdr(struct bsg_device *bd, struct sg_io_v4 *hdr)
 	}
 	return rq;
 out:
+	if (rq->cmd != rq->__cmd)
+		kfree(rq->cmd);
 	blk_put_request(rq);
 	if (next_rq) {
 		blk_rq_unmap_user(next_rq->bio);
@@ -455,6 +459,8 @@ static int blk_complete_sgv4_hdr_rq(struct request *rq, struct sg_io_v4 *hdr,
 		ret = rq->errors;
 
 	blk_rq_unmap_user(bio);
+	if (rq->cmd != rq->__cmd)
+		kfree(rq->cmd);
 	blk_put_request(rq);
 
 	return ret;
diff --git a/block/scsi_ioctl.c b/block/scsi_ioctl.c
index ffa3720e6ca0..78199c08ec92 100644
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -33,13 +33,12 @@
 #include <scsi/scsi_cmnd.h>
 
 /* Command group 3 is reserved and should never be used.  */
-const unsigned char scsi_command_size[8] =
+const unsigned char scsi_command_size_tbl[8] =
 {
 	6, 10, 10, 12,
 	16, 12, 10, 10
 };
-
-EXPORT_SYMBOL(scsi_command_size);
+EXPORT_SYMBOL(scsi_command_size_tbl);
 
 #include <scsi/sg.h>