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scsi: 3w-sas: 3w-9xxx: Use unsigned char for cdb

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Clang warns a few times:

drivers/scsi/3w-sas.c:386:11: warning: implicit conversion from 'int' to
'char' changes value from 128 to -128 [-Wconstant-conversion]
        cdb[4] = TW_ALLOCATION_LENGTH; /* allocation length */
               ~ ^~~~~~~~~~~~~~~~~~~~

Update cdb's type to unsigned char, which matches the type of the cdb
member in struct TW_Command_Apache.

Link: https://github.com/ClangBuiltLinux/linux/issues/158
Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>
Acked-by: Adam Radford <aradford@gmail.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Nathan Chancellor 2018-10-18 14:55:41 -07:00 committed by Martin K. Petersen
parent 1b171b1a29
commit 09968e5049
2 changed files with 13 additions and 7 deletions
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12
drivers/scsi/3w-9xxx.c
View File

@ -143,7 +143,9 @@ static int twa_poll_status_gone(TW_Device_Extension *tw_dev, u32 flag, int secon
static int twa_post_command_packet(TW_Device_Extension *tw_dev, int request_id, char internal);
static int twa_reset_device_extension(TW_Device_Extension *tw_dev);
static int twa_reset_sequence(TW_Device_Extension *tw_dev, int soft_reset);
static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry *sglistarg);
static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
unsigned char *cdb, int use_sg,
TW_SG_Entry *sglistarg);
static void twa_scsiop_execute_scsi_complete(TW_Device_Extension *tw_dev, int request_id);
static char *twa_string_lookup(twa_message_type *table, unsigned int aen_code);
@ -278,7 +280,7 @@ out:
static int twa_aen_drain_queue(TW_Device_Extension *tw_dev, int no_check_reset)
{
int request_id = 0;
char cdb[TW_MAX_CDB_LEN];
unsigned char cdb[TW_MAX_CDB_LEN];
TW_SG_Entry sglist[1];
int finished = 0, count = 0;
TW_Command_Full *full_command_packet;
@ -423,7 +425,7 @@ static void twa_aen_queue_event(TW_Device_Extension *tw_dev, TW_Command_Apache_H
/* This function will read the aen queue from the isr */
static int twa_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)
{
char cdb[TW_MAX_CDB_LEN];
unsigned char cdb[TW_MAX_CDB_LEN];
TW_SG_Entry sglist[1];
TW_Command_Full *full_command_packet;
int retval = 1;
@ -1798,7 +1800,9 @@ out:
static DEF_SCSI_QCMD(twa_scsi_queue)
/* This function hands scsi cdb's to the firmware */
static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry *sglistarg)
static int twa_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
unsigned char *cdb, int use_sg,
TW_SG_Entry *sglistarg)
{
TW_Command_Full *full_command_packet;
TW_Command_Apache *command_packet;

8
drivers/scsi/3w-sas.c
View File

@ -287,7 +287,9 @@ static int twl_post_command_packet(TW_Device_Extension *tw_dev, int request_id)
} /* End twl_post_command_packet() */
/* This function hands scsi cdb's to the firmware */
static int twl_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id, char *cdb, int use_sg, TW_SG_Entry_ISO *sglistarg)
static int twl_scsiop_execute_scsi(TW_Device_Extension *tw_dev, int request_id,
unsigned char *cdb, int use_sg,
TW_SG_Entry_ISO *sglistarg)
{
TW_Command_Full *full_command_packet;
TW_Command_Apache *command_packet;
@ -372,7 +374,7 @@ out:
/* This function will read the aen queue from the isr */
static int twl_aen_read_queue(TW_Device_Extension *tw_dev, int request_id)
{
char cdb[TW_MAX_CDB_LEN];
unsigned char cdb[TW_MAX_CDB_LEN];
TW_SG_Entry_ISO sglist[1];
TW_Command_Full *full_command_packet;
int retval = 1;
@ -554,7 +556,7 @@ out:
static int twl_aen_drain_queue(TW_Device_Extension *tw_dev, int no_check_reset)
{
int request_id = 0;
char cdb[TW_MAX_CDB_LEN];
unsigned char cdb[TW_MAX_CDB_LEN];
TW_SG_Entry_ISO sglist[1];
int finished = 0, count = 0;
TW_Command_Full *full_command_packet;