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authorJoe Perches <joe@perches.com>2010-03-10 15:21:11 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2010-03-12 15:52:31 -0800
commit724ee626f38feaea215a11790e1a0cb5d83b0628 (patch)
tree499e03c265dd8de1d5b145d1a413b45b186b5694 /drivers/block/floppy.c
parent0aad92cfea6fec14bd57dd9c283cc6eb023c97bd (diff)
downloadlinux-724ee626f38feaea215a11790e1a0cb5d83b0628.tar.gz
drivers/block/floppy.c: remove unnecessary casting in fd_ioctl
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>
Diffstat (limited to 'drivers/block/floppy.c')
-rw-r--r--drivers/block/floppy.c17
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 67e8e5f366c..90c4038702d 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -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)