Initialize the 3 remaining elements of the scsi_cmd struct rather than

bzeroing the whole thing in sdstart().
This commit is contained in:
David Greenman 1995-11-06 08:19:24 +00:00
parent 6d32158f2b
commit 9b36d4e667
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=12126

View File

@ -14,7 +14,7 @@
*
* Ported to run under 386BSD by Julian Elischer (julian@dialix.oz.au) Sept 1992
*
* $Id: sd.c,v 1.67 1995/10/12 02:01:56 julian Exp $
* $Id: sd.c,v 1.68 1995/10/21 23:13:09 phk Exp $
*/
#define SPLSD splbio
@ -509,7 +509,6 @@ sdstart(u_int32 unit, u_int32 flags)
/*
* Fill out the scsi command
*/
bzero(&cmd, sizeof(cmd));
cmd.op_code = (bp->b_flags & B_READ)
? READ_BIG : WRITE_BIG;
cmd.addr_3 = (blkno & 0xff000000UL) >> 24;
@ -518,6 +517,7 @@ sdstart(u_int32 unit, u_int32 flags)
cmd.addr_0 = blkno & 0xff;
cmd.length2 = (nblk & 0xff00) >> 8;
cmd.length1 = (nblk & 0xff);
cmd.byte2 = cmd.reserved = cmd.control = 0;
/*
* Call the routine that chats with the adapter.
* Note: we cannot sleep as we may be an interrupt