diff options
Diffstat (limited to 'drivers/scsi/constants.c')
| -rw-r--r-- | drivers/scsi/constants.c | 25 |
1 files changed, 10 insertions, 15 deletions
diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c index dc1b18c821ed..a84ced0de02b 100644 --- a/drivers/scsi/constants.c +++ b/drivers/scsi/constants.c @@ -320,25 +320,21 @@ static bool scsi_opcode_sa_name(int opcode, int service_action, return true; } -/* attempt to guess cdb length if cdb_len==0 . No trailing linefeed. */ -static void print_opcode_name(unsigned char * cdbp, int cdb_len) +static void print_opcode_name(const unsigned char *cdbp, size_t cdb_len) { - int sa, len, cdb0; + int sa, cdb0; const char *cdb_name = NULL, *sa_name = NULL; cdb0 = cdbp[0]; if (cdb0 == VARIABLE_LENGTH_CMD) { - len = scsi_varlen_cdb_length(cdbp); - if (len < 10) { - printk("short variable length command, " - "len=%d ext_len=%d", len, cdb_len); + if (cdb_len < 10) { + printk("short variable length command, len=%zu", + cdb_len); return; } sa = (cdbp[8] << 8) + cdbp[9]; - } else { + } else sa = cdbp[1] & 0x1f; - len = cdb_len; - } if (!scsi_opcode_sa_name(cdb0, sa, &cdb_name, &sa_name)) { if (cdb_name) @@ -356,18 +352,17 @@ static void print_opcode_name(unsigned char * cdbp, int cdb_len) printk("%s, sa=0x%x", cdb_name, sa); else printk("cdb[0]=0x%x, sa=0x%x", cdb0, sa); - - if (cdb_len > 0 && len != cdb_len) - printk(", in_cdb_len=%d, ext_len=%d", len, cdb_len); } } -void __scsi_print_command(unsigned char *cdb) +void __scsi_print_command(const unsigned char *cdb, size_t cdb_len) { int k, len; - print_opcode_name(cdb, 0); + print_opcode_name(cdb, cdb_len); len = scsi_command_size(cdb); + if (cdb_len < len) + len = cdb_len; /* print out all bytes in cdb */ for (k = 0; k < len; ++k) printk(" %02x", cdb[k]); |