diff options
author | David S. Miller <davem@davemloft.net> | 2009-08-12 17:44:53 -0700 |
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committer | David S. Miller <davem@davemloft.net> | 2009-08-12 17:44:53 -0700 |
commit | aa11d958d1a6572eda08214d7c6a735804fe48a5 (patch) | |
tree | d025b05270ad1e010660d17eeadc6ac3c1abbd7d /drivers/firewire/sbp2.c | |
parent | 07f6642ee9418e962e54cbc07471cfe2e559c568 (diff) | |
parent | 9799218ae36910af50f002a5db1802d576fffb43 (diff) |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts:
arch/microblaze/include/asm/socket.h
Diffstat (limited to 'drivers/firewire/sbp2.c')
-rw-r--r-- | drivers/firewire/sbp2.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c index 24c45635376..8d51568ee14 100644 --- a/drivers/firewire/sbp2.c +++ b/drivers/firewire/sbp2.c @@ -201,6 +201,12 @@ static struct fw_device *target_device(struct sbp2_target *tgt) #define SBP2_CYCLE_LIMIT (0xc8 << 12) /* 200 125us cycles */ /* + * There is no transport protocol limit to the CDB length, but we implement + * a fixed length only. 16 bytes is enough for disks larger than 2 TB. + */ +#define SBP2_MAX_CDB_SIZE 16 + +/* * The default maximum s/g segment size of a FireWire controller is * usually 0x10000, but SBP-2 only allows 0xffff. Since buffers have to * be quadlet-aligned, we set the length limit to 0xffff & ~3. @@ -312,7 +318,7 @@ struct sbp2_command_orb { struct sbp2_pointer next; struct sbp2_pointer data_descriptor; __be32 misc; - u8 command_block[12]; + u8 command_block[SBP2_MAX_CDB_SIZE]; } request; struct scsi_cmnd *cmd; scsi_done_fn_t done; @@ -1146,6 +1152,8 @@ static int sbp2_probe(struct device *dev) if (fw_device_enable_phys_dma(device) < 0) goto fail_shost_put; + shost->max_cmd_len = SBP2_MAX_CDB_SIZE; + if (scsi_add_host(shost, &unit->device) < 0) goto fail_shost_put; |