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Fix bug in scsi_read_write() where it might use 6-byte commands when

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10/12-byte-specific flags where specified.

Reviewed by:	ken
MFC after:	1 day
This commit is contained in:
kbyanc 2001-11-06 23:50:33 +00:00
parent e9800edaf9
commit 140b89bb77
1 changed files with 4 additions and 5 deletions
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9
sys/cam/scsi/scsi_all.c
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@ -2673,15 +2673,14 @@ scsi_read_write(struct ccb_scsiio *csio, u_int32_t retries,
u_int8_t cdb_len;
/*
* Use the smallest possible command to perform the operation
* as some legacy hardware does not support the 10 byte
* commands. If any of the lower 5 bits in byte2 is set, we have
* to go with a larger command.
*
* as some legacy hardware does not support the 10 byte commands.
* If any of the bits in byte2 is set, we have to go with a larger
* command.
*/
if ((minimum_cmd_size < 10)
&& ((lba & 0x1fffff) == lba)
&& ((block_count & 0xff) == block_count)
&& ((byte2 & 0xe0) == 0)) {
&& (byte2 == 0)) {
/*
* We can fit in a 6 byte cdb.
*/