Author: hselasky
Date: Thu Jan 8 15:10:25 2015
New Revision: 276825
URL: https://svnweb.freebsd.org/changeset/base/276825
Log:
Allow a block size of zero to mean 512 bytes, which is the most common
block size for USB disks. This fixes support for "Action Cam SJ4000".
Reviewed by: mav @
MFC after: 1 week
Modified:
head/sys/cam/scsi/scsi_da.c
Modified: head/sys/cam/scsi/scsi_da.c
==============================================================================
--- head/sys/cam/scsi/scsi_da.c Thu Jan 8 14:58:54 2015 (r276824)
+++ head/sys/cam/scsi/scsi_da.c Thu Jan 8 15:10:25 2015 (r276825)
@@ -3094,8 +3094,10 @@ dadone(struct cam_periph *periph, union
if (block_size == 0 && maxsector == 0) {
block_size = 512;
maxsector = -1;
+ } else if (block_size == 0) {
+ block_size = 512;
}
- if (block_size >= MAXPHYS || block_size == 0) {
+ if (block_size >= MAXPHYS) {
xpt_print(periph->path,
"unsupportable block size %ju\n",
(uintmax_t) block_size);
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