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floppy: cleanup: expand macro UFDCS

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This macro doesn't bring much value and only slightly obfuscates the
code by silently using local variable "drive", let's expand it.

Link: https://lore.kernel.org/r/20200224212352.8640-3-w@1wt.eu
Signed-off-by: Willy Tarreau <w@1wt.eu>
Signed-off-by: Denis Efremov <efremov@linux.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Willy Tarreau 2020-02-24 22:23:44 +01:00 committed by Jens Axboe
parent de6048b843
commit f9d322bdb1
1 changed files with 4 additions and 5 deletions
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9
drivers/block/floppy.c
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@ -313,7 +313,6 @@ static bool initialized;
#define UDP (&drive_params[drive])
#define UDRS (&drive_state[drive])
#define UDRWE (&write_errors[drive])
#define UFDCS (&fdc_state[FDC(drive)])
#define PH_HEAD(floppy, head) (((((floppy)->stretch & 2) >> 1) ^ head) << 2)
#define STRETCH(floppy) ((floppy)->stretch & FD_STRETCH)
@ -3549,7 +3548,7 @@ static int fd_locked_ioctl(struct block_device *bdev, fmode_t mode, unsigned int
case FDRESET:
return user_reset_fdc(drive, (int)param, true);
case FDGETFDCSTAT:
outparam = UFDCS;
outparam = &fdc_state[FDC(drive)];
break;
case FDWERRORCLR:
memset(UDRWE, 0, sizeof(*UDRWE));
@ -3833,7 +3832,7 @@ static int compat_getfdcstat(int drive,
struct floppy_fdc_state v;
mutex_lock(&floppy_mutex);
v = *UFDCS;
v = fdc_state[FDC(drive)];
mutex_unlock(&floppy_mutex);
memset(&v32, 0, sizeof(struct compat_floppy_fdc_state));
@ -4062,8 +4061,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
buffer_track = -1;
}
if (UFDCS->rawcmd == 1)
UFDCS->rawcmd = 2;
if (fdc_state[FDC(drive)].rawcmd == 1)
fdc_state[FDC(drive)].rawcmd = 2;
if (!(mode & FMODE_NDELAY)) {
if (mode & (FMODE_READ|FMODE_WRITE)) {