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target: remove custom hex2bin() implementation

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This patch drops transport_asciihex_to_binaryhex() in favor of proper
hex2bin usage from include/linux/kernel.h:hex2bin()

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This commit is contained in:
Andy Shevchenko 2011-07-18 22:26:40 -07:00 committed by Nicholas Bellinger
parent 163cd5fa9f
commit 11650b8596
4 changed files with 11 additions and 51 deletions
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16
drivers/target/target_core_cdb.c
View File

@ -23,6 +23,7 @@
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <linux/kernel.h>
#include <asm/unaligned.h>
#include <scsi/scsi.h>
@ -162,11 +163,9 @@ target_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
struct t10_alua_lu_gp_member *lu_gp_mem;
struct t10_alua_tg_pt_gp *tg_pt_gp;
struct t10_alua_tg_pt_gp_member *tg_pt_gp_mem;
unsigned char binary, binary_new;
unsigned char *prod = &dev->se_sub_dev->t10_wwn.model[0];
u32 prod_len;
u32 unit_serial_len, off = 0;
int i;
u16 len = 0, id_len;
off = 4;
@ -215,16 +214,9 @@ target_emulate_evpd_83(struct se_cmd *cmd, unsigned char *buf)
* VENDOR_SPECIFIC_IDENTIFIER and
* VENDOR_SPECIFIC_IDENTIFIER_EXTENTION
*/
binary = transport_asciihex_to_binaryhex(
&dev->se_sub_dev->t10_wwn.unit_serial[0]);
buf[off++] |= (binary & 0xf0) >> 4;
for (i = 0; i < 24; i += 2) {
binary_new = transport_asciihex_to_binaryhex(
&dev->se_sub_dev->t10_wwn.unit_serial[i+2]);
buf[off] = (binary & 0x0f) << 4;
buf[off++] |= (binary_new & 0xf0) >> 4;
binary = binary_new;
}
buf[off++] |= hex_to_bin(dev->se_sub_dev->t10_wwn.unit_serial[0]);
hex2bin(&buf[off], &dev->se_sub_dev->t10_wwn.unit_serial[1], 12);
len = 20;
off = (len + 4);

17
drivers/target/target_core_fabric_lib.c
View File

@ -25,6 +25,7 @@
*
******************************************************************************/
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/ctype.h>
#include <linux/spinlock.h>
@ -61,9 +62,8 @@ u32 sas_get_pr_transport_id(
int *format_code,
unsigned char *buf)
{
unsigned char binary, *ptr;
int i;
u32 off = 4;
unsigned char *ptr;
/*
* Set PROTOCOL IDENTIFIER to 6h for SAS
*/
@ -74,10 +74,8 @@ u32 sas_get_pr_transport_id(
*/
ptr = &se_nacl->initiatorname[4]; /* Skip over 'naa. prefix */
for (i = 0; i < 16; i += 2) {
binary = transport_asciihex_to_binaryhex(&ptr[i]);
buf[off++] = binary;
}
hex2bin(&buf[4], ptr, 8);
/*
* The SAS Transport ID is a hardcoded 24-byte length
*/
@ -157,7 +155,7 @@ u32 fc_get_pr_transport_id(
int *format_code,
unsigned char *buf)
{
unsigned char binary, *ptr;
unsigned char *ptr;
int i;
u32 off = 8;
/*
@ -176,8 +174,7 @@ u32 fc_get_pr_transport_id(
i++;
continue;
}
binary = transport_asciihex_to_binaryhex(&ptr[i]);
buf[off++] = binary;
hex2bin(&buf[off++], &ptr[i], 1);
i += 2;
}
/*

28
drivers/target/target_core_transport.c
View File

@ -2659,34 +2659,6 @@ static inline u32 transport_get_size(
return dev->se_sub_dev->se_dev_attrib.block_size * sectors;
}
unsigned char transport_asciihex_to_binaryhex(unsigned char val[2])
{
unsigned char result = 0;
/*
* MSB
*/
if ((val[0] >= 'a') && (val[0] <= 'f'))
result = ((val[0] - 'a' + 10) & 0xf) << 4;
else
if ((val[0] >= 'A') && (val[0] <= 'F'))
result = ((val[0] - 'A' + 10) & 0xf) << 4;
else /* digit */
result = ((val[0] - '0') & 0xf) << 4;
/*
* LSB
*/
if ((val[1] >= 'a') && (val[1] <= 'f'))
result |= ((val[1] - 'a' + 10) & 0xf);
else
if ((val[1] >= 'A') && (val[1] <= 'F'))
result |= ((val[1] - 'A' + 10) & 0xf);
else /* digit */
result |= ((val[1] - '0') & 0xf);
return result;
}
EXPORT_SYMBOL(transport_asciihex_to_binaryhex);
static void transport_xor_callback(struct se_cmd *cmd)
{
unsigned char *buf, *addr;

1
include/target/target_core_transport.h
View File

@ -179,7 +179,6 @@ extern void transport_new_cmd_failure(struct se_cmd *);
extern int transport_generic_handle_tmr(struct se_cmd *);
extern void transport_generic_free_cmd_intr(struct se_cmd *);
extern void __transport_stop_task_timer(struct se_task *, unsigned long *);
extern unsigned char transport_asciihex_to_binaryhex(unsigned char val[2]);
extern int transport_generic_map_mem_to_cmd(struct se_cmd *cmd, struct scatterlist *, u32,
struct scatterlist *, u32);
extern int transport_clear_lun_from_sessions(struct se_lun *);