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Use the correct size for a sector in the search for a label in

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readdisklabel().  Sectors may be larger than DEV_BSIZE.
This commit is contained in:
Bruce Evans 1997-07-13 15:53:20 +00:00
parent 0dd8d85b1c
commit 7e88aafca7
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=27377
2 changed files with 6 additions and 6 deletions
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6
sys/kern/subr_disklabel.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)ufs_disksubr.c 8.5 (Berkeley) 1/21/94
* $Id$
* $Id: ufs_disksubr.c,v 1.30 1997/02/22 09:47:45 peter Exp $
*/
#include <sys/param.h>
@ -160,7 +160,7 @@ insert:
* Attempt to read a disk label from a device using the indicated strategy
* routine. The label must be partly set up before this: secpercyl, secsize
* and anything required in the strategy routine (e.g., dummy bounds for the
* partition containing the label) must be * filled in before calling us.
* partition containing the label) must be filled in before calling us.
* Returns NULL on success and an error string on failure.
*/
char *
@ -184,7 +184,7 @@ readdisklabel(dev, strat, lp)
msg = "I/O error";
else for (dlp = (struct disklabel *)bp->b_data;
dlp <= (struct disklabel *)((char *)bp->b_data +
DEV_BSIZE - sizeof(*dlp));
lp->d_secsize - sizeof(*dlp));
dlp = (struct disklabel *)((char *)dlp + sizeof(long))) {
if (dlp->d_magic != DISKMAGIC || dlp->d_magic2 != DISKMAGIC) {
if (msg == NULL)

6
sys/ufs/ufs/ufs_disksubr.c
View File

@ -36,7 +36,7 @@
* SUCH DAMAGE.
*
* @(#)ufs_disksubr.c 8.5 (Berkeley) 1/21/94
* $Id$
* $Id: ufs_disksubr.c,v 1.30 1997/02/22 09:47:45 peter Exp $
*/
#include <sys/param.h>
@ -160,7 +160,7 @@ insert:
* Attempt to read a disk label from a device using the indicated strategy
* routine. The label must be partly set up before this: secpercyl, secsize
* and anything required in the strategy routine (e.g., dummy bounds for the
* partition containing the label) must be * filled in before calling us.
* partition containing the label) must be filled in before calling us.
* Returns NULL on success and an error string on failure.
*/
char *
@ -184,7 +184,7 @@ readdisklabel(dev, strat, lp)
msg = "I/O error";
else for (dlp = (struct disklabel *)bp->b_data;
dlp <= (struct disklabel *)((char *)bp->b_data +
DEV_BSIZE - sizeof(*dlp));
lp->d_secsize - sizeof(*dlp));
dlp = (struct disklabel *)((char *)dlp + sizeof(long))) {
if (dlp->d_magic != DISKMAGIC || dlp->d_magic2 != DISKMAGIC) {
if (msg == NULL)