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drivers/block/floppy.c: remove unnecessary casting in fd_ioctl

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Convert outparam to const void *.
Cast outparam to const char * for strlen().

Signed-off-by: Joe Perches <joe@perches.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Marcin Slusarz <marcin.slusarz@gmail.com>
Cc: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Joe Perches 2010-03-10 15:21:11 -08:00 committed by Linus Torvalds
parent 0aad92cfea
commit 724ee626f3
1 changed files with 8 additions and 9 deletions
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17
drivers/block/floppy.c
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@ -3431,7 +3431,7 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
struct floppy_max_errors max_errors;
struct floppy_drive_params dp;
} inparam; /* parameters coming from user space */
const char *outparam; /* parameters passed back to user space */
const void *outparam; /* parameters passed back to user space */
/* convert compatibility eject ioctls into floppy eject ioctl.
* We do this in order to provide a means to eject floppy disks before
@ -3495,8 +3495,7 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
return set_geometry(cmd, &inparam.g, drive, type, bdev);
case FDGETPRM:
ret = get_floppy_geometry(drive, type,
(struct floppy_struct **)
&outparam);
(struct floppy_struct **)&outparam);
if (ret)
return ret;
break;
@ -3531,20 +3530,20 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
UDP->max_errors.reporting = (unsigned short)(param & 0x0f);
return 0;
case FDGETMAXERRS:
outparam = (const char *)&UDP->max_errors;
outparam = &UDP->max_errors;
break;
case FDSETMAXERRS:
UDP->max_errors = inparam.max_errors;
break;
case FDGETDRVTYP:
outparam = drive_name(type, drive);
SUPBOUND(size, strlen(outparam) + 1);
SUPBOUND(size, strlen((const char *)outparam) + 1);
break;
case FDSETDRVPRM:
*UDP = inparam.dp;
break;
case FDGETDRVPRM:
outparam = (const char *)UDP;
outparam = UDP;
break;
case FDPOLLDRVSTAT:
if (lock_fdc(drive, true))
@ -3554,18 +3553,18 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
process_fd_request();
/* fall through */
case FDGETDRVSTAT:
outparam = (const char *)UDRS;
outparam = UDRS;
break;
case FDRESET:
return user_reset_fdc(drive, (int)param, true);
case FDGETFDCSTAT:
outparam = (const char *)UFDCS;
outparam = UFDCS;
break;
case FDWERRORCLR:
memset(UDRWE, 0, sizeof(*UDRWE));
return 0;
case FDWERRORGET:
outparam = (const char *)UDRWE;
outparam = UDRWE;
break;
case FDRAWCMD:
if (type)