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Allow a block size of zero to mean 512 bytes, which is the most common

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block size for USB disks. This fixes support for "Action Cam SJ4000".

Reviewed by:	mav @
MFC after:	1 week
This commit is contained in:
Hans Petter Selasky 2015-01-08 15:10:25 +00:00
parent 5e3cd9e19c
commit 68f71fc180
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=276825
1 changed files with 3 additions and 1 deletions
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4
sys/cam/scsi/scsi_da.c
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@ -3094,8 +3094,10 @@ dadone(struct cam_periph *periph, union ccb *done_ccb)
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);