| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Message-Id: <0b0eec516eae6a9356120af62a10b79bc7c32ea0.1264133863.git.joe@perches.com>
Date: Thu, 21 Jan 2010 20:52:45 -0800
From: Joe Perches <joe@...ches.com>
To: linux-kernel@...r.kernel.org
Cc: Marcin Slusarz <marcin.slusarz@...il.com>,
Stephen Hemminger <shemminger@...tta.com>,
Bartlomiej Zolnierkiewicz <bzolnier@...il.com>,
Andrew Morton <akpm@...ux-foundation.org>
Subject: [PATCH 15/24] drivers/block/floppy.c: Remove [U]CLEARF, [U]SETF, and [U]TESTF macros
Use clear_bit, set_bit, and test_bit functions directly
Signed-off-by: Joe Perches <joe@...ches.com>
---
drivers/block/floppy.c | 94 ++++++++++++++++++++++++------------------------
1 files changed, 47 insertions(+), 47 deletions(-)
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index f90bc22..b1c2bc6 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -305,17 +305,11 @@ static int initialising = 1;
#define DRS (&drive_state[current_drive])
#define DRWE (&write_errors[current_drive])
#define FDCS (&fdc_state[fdc])
-#define CLEARF(x) clear_bit(x##_BIT, &DRS->flags)
-#define SETF(x) set_bit(x##_BIT, &DRS->flags)
-#define TESTF(x) test_bit(x##_BIT, &DRS->flags)
#define UDP (&drive_params[drive])
#define UDRS (&drive_state[drive])
#define UDRWE (&write_errors[drive])
#define UFDCS (&fdc_state[FDC(drive)])
-#define UCLEARF(x) clear_bit(x##_BIT, &UDRS->flags)
-#define USETF(x) set_bit(x##_BIT, &UDRS->flags)
-#define UTESTF(x) test_bit(x##_BIT, &UDRS->flags)
#define DPRINT(format, args...) \
pr_info(DEVICE_NAME "%d: " format, current_drive, ##args)
@@ -764,13 +758,13 @@ static int disk_change(int drive)
debug_dcl(UDP->flags, "flags=%lx\n", UDRS->flags);
if (UDP->flags & FD_BROKEN_DCL)
- return UTESTF(FD_DISK_CHANGED);
+ return test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
if ((fd_inb(FD_DIR) ^ UDP->flags) & 0x80) {
- USETF(FD_VERIFY); /* verify write protection */
- if (UDRS->maxblock) {
- /* mark it changed */
- USETF(FD_DISK_CHANGED);
- }
+ set_bit(FD_VERIFY_BIT, &UDRS->flags);
+ /* verify write protection */
+
+ if (UDRS->maxblock) /* mark it changed */
+ set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
/* invalidate its geometry */
if (UDRS->keep_data >= 0) {
@@ -785,7 +779,7 @@ static int disk_change(int drive)
return 1;
} else {
UDRS->last_checked = jiffies;
- UCLEARF(FD_DISK_NEWCHANGE);
+ clear_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags);
}
return 0;
}
@@ -1477,11 +1471,11 @@ static int interpret_errors(void)
bad = 1;
if (ST1 & ST1_WP) {
DPRINT("Drive is write protected\n");
- CLEARF(FD_DISK_WRITABLE);
+ clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
cont->done(0);
bad = 2;
} else if (ST1 & ST1_ND) {
- SETF(FD_NEED_TWADDLE);
+ set_bit(FD_NEED_TWADDLE_BIT, &DRS->flags);
} else if (ST1 & ST1_OR) {
if (DP->flags & FTD_MSG)
DPRINT("Over/Underrun - retrying\n");
@@ -1587,7 +1581,8 @@ static void seek_interrupt(void)
debug_dcl(DP->flags,
"clearing NEWCHANGE flag because of effective seek\n");
debug_dcl(DP->flags, "jiffies=%lu\n", jiffies);
- CLEARF(FD_DISK_NEWCHANGE); /* effective seek */
+ clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
+ /* effective seek */
DRS->select_date = jiffies;
}
DRS->track = ST1;
@@ -1596,23 +1591,23 @@ static void seek_interrupt(void)
static void check_wp(void)
{
- if (TESTF(FD_VERIFY)) {
- /* check write protection */
+ if (test_bit(FD_VERIFY_BIT, &DRS->flags)) {
+ /* check write protection */
output_byte(FD_GETSTATUS);
output_byte(UNIT(current_drive));
if (result() != 1) {
FDCS->reset = 1;
return;
}
- CLEARF(FD_VERIFY);
- CLEARF(FD_NEED_TWADDLE);
+ clear_bit(FD_VERIFY_BIT, &DRS->flags);
+ clear_bit(FD_NEED_TWADDLE_BIT, &DRS->flags);
debug_dcl(DP->flags,
"checking whether disk is write protected\n");
debug_dcl(DP->flags, "wp=%x\n", ST3 & 0x40);
if (!(ST3 & 0x40))
- SETF(FD_DISK_WRITABLE);
+ set_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
else
- CLEARF(FD_DISK_WRITABLE);
+ clear_bit(FD_DISK_WRITABLE_BIT, &DRS->flags);
}
}
@@ -1624,13 +1619,13 @@ static void seek_floppy(void)
debug_dcl(DP->flags, "calling disk change from seek\n");
- if (!TESTF(FD_DISK_NEWCHANGE) &&
+ if (!test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) &&
disk_change(current_drive) && (raw_cmd->flags & FD_RAW_NEED_DISK)) {
/* the media changed flag should be cleared after the seek.
* If it isn't, this means that there is really no disk in
* the drive.
*/
- SETF(FD_DISK_CHANGED);
+ set_bit(FD_DISK_CHANGED_BIT, &DRS->flags);
cont->done(0);
cont->redo();
return;
@@ -1638,7 +1633,7 @@ static void seek_floppy(void)
if (DRS->track <= NEED_1_RECAL) {
recalibrate_floppy();
return;
- } else if (TESTF(FD_DISK_NEWCHANGE) &&
+ } else if (test_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags) &&
(raw_cmd->flags & FD_RAW_NEED_DISK) &&
(DRS->track <= NO_TRACK || DRS->track == raw_cmd->track)) {
/* we seek to clear the media-changed condition. Does anybody
@@ -1701,7 +1696,7 @@ static void recal_interrupt(void)
debug_dcl(DP->flags,
"clearing NEWCHANGE flag because of second recalibrate\n");
- CLEARF(FD_DISK_NEWCHANGE);
+ clear_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
DRS->select_date = jiffies;
/* fall through */
default:
@@ -1991,7 +1986,7 @@ static void floppy_start(void)
scandrives();
debug_dcl(DP->flags, "setting NEWCHANGE in floppy_start\n");
- SETF(FD_DISK_NEWCHANGE);
+ set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
floppy_ready();
}
@@ -2647,7 +2642,8 @@ static int make_raw_rw_request(void)
HEAD = fsector_t / _floppy->sect;
if (((_floppy->stretch & (FD_SWAPSIDES | FD_SECTBASEMASK)) ||
- TESTF(FD_NEED_TWADDLE)) && fsector_t < _floppy->sect)
+ test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags)) &&
+ fsector_t < _floppy->sect)
max_sector = _floppy->sect;
/* 2M disks have phantom sectors on the first track */
@@ -2919,7 +2915,7 @@ static void redo_fd_request(void)
return;
disk_change(current_drive);
if (test_bit(current_drive, &fake_change) ||
- TESTF(FD_DISK_CHANGED)) {
+ test_bit(FD_DISK_CHANGED_BIT, &DRS->flags)) {
DPRINT("disk absent or changed during operation\n");
REPEAT;
}
@@ -2944,7 +2940,7 @@ static void redo_fd_request(void)
continue;
}
- if (TESTF(FD_NEED_TWADDLE))
+ if (test_bit(FD_NEED_TWADDLE_BIT, &DRS->flags))
twaddle();
schedule_bh(floppy_start);
debugt("queue fd request");
@@ -3010,7 +3006,7 @@ static int poll_drive(int interruptible, int flag)
raw_cmd->cmd_count = 0;
cont = &poll_cont;
debug_dcl(DP->flags, "setting NEWCHANGE in poll_drive\n");
- SETF(FD_DISK_NEWCHANGE);
+ set_bit(FD_DISK_NEWCHANGE_BIT, &DRS->flags);
WAIT(floppy_ready);
return ret;
}
@@ -3502,8 +3498,8 @@ static int fd_ioctl(struct block_device *bdev, fmode_t mode, unsigned int cmd,
* non-Sparc architectures */
ret = fd_eject(UNIT(drive));
- USETF(FD_DISK_CHANGED);
- USETF(FD_VERIFY);
+ set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
+ set_bit(FD_VERIFY_BIT, &UDRS->flags);
process_fd_request();
return ret;
case FDCLRPRM:
@@ -3700,8 +3696,8 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
goto out2;
if (!UDRS->fd_ref && (UDP->flags & FD_BROKEN_DCL)) {
- USETF(FD_DISK_CHANGED);
- USETF(FD_VERIFY);
+ set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
+ set_bit(FD_VERIFY_BIT, &UDRS->flags);
}
if (UDRS->fd_ref == -1 || (UDRS->fd_ref && (mode & FMODE_EXCL)))
@@ -3761,11 +3757,12 @@ static int floppy_open(struct block_device *bdev, fmode_t mode)
if (mode & (FMODE_READ|FMODE_WRITE)) {
UDRS->last_checked = 0;
check_disk_change(bdev);
- if (UTESTF(FD_DISK_CHANGED))
+ if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags))
goto out;
}
res = -EROFS;
- if ((mode & FMODE_WRITE) && !(UTESTF(FD_DISK_WRITABLE)))
+ if ((mode & FMODE_WRITE) &&
+ !test_bit(FD_DISK_WRITABLE_BIT, &UDRS->flags))
goto out;
}
mutex_unlock(&open_lock);
@@ -3789,7 +3786,8 @@ static int check_floppy_change(struct gendisk *disk)
{
int drive = (long)disk->private_data;
- if (UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY))
+ if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+ test_bit(FD_VERIFY_BIT, &UDRS->flags))
return 1;
if (time_after(jiffies, UDRS->last_checked + UDP->checkfreq)) {
@@ -3798,8 +3796,8 @@ static int check_floppy_change(struct gendisk *disk)
process_fd_request();
}
- if (UTESTF(FD_DISK_CHANGED) ||
- UTESTF(FD_VERIFY) ||
+ if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+ test_bit(FD_VERIFY_BIT, &UDRS->flags) ||
test_bit(drive, &fake_change) ||
(!ITYPE(UDRS->fd_device) && !current_type[drive]))
return 1;
@@ -3870,14 +3868,16 @@ static int floppy_revalidate(struct gendisk *disk)
int cf;
int res = 0;
- if (UTESTF(FD_DISK_CHANGED) ||
- UTESTF(FD_VERIFY) || test_bit(drive, &fake_change) || NO_GEOM) {
+ if (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+ test_bit(FD_VERIFY_BIT, &UDRS->flags) ||
+ test_bit(drive, &fake_change) || NO_GEOM) {
if (usage_count == 0) {
pr_info("VFS: revalidate called on non-open device.\n");
return -EFAULT;
}
lock_fdc(drive, 0);
- cf = UTESTF(FD_DISK_CHANGED) || UTESTF(FD_VERIFY);
+ cf = (test_bit(FD_DISK_CHANGED_BIT, &UDRS->flags) ||
+ test_bit(FD_VERIFY_BIT, &UDRS->flags));
if (!(cf || test_bit(drive, &fake_change) || NO_GEOM)) {
process_fd_request(); /*already done by another thread */
return 0;
@@ -3887,7 +3887,7 @@ static int floppy_revalidate(struct gendisk *disk)
if (buffer_drive == drive)
buffer_track = -1;
clear_bit(drive, &fake_change);
- UCLEARF(FD_DISK_CHANGED);
+ clear_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
if (cf)
UDRS->generation++;
if (NO_GEOM) {
@@ -4277,9 +4277,9 @@ static int __init floppy_init(void)
for (drive = 0; drive < N_DRIVE; drive++) {
memset(UDRS, 0, sizeof(*UDRS));
memset(UDRWE, 0, sizeof(*UDRWE));
- USETF(FD_DISK_NEWCHANGE);
- USETF(FD_DISK_CHANGED);
- USETF(FD_VERIFY);
+ set_bit(FD_DISK_NEWCHANGE_BIT, &UDRS->flags);
+ set_bit(FD_DISK_CHANGED_BIT, &UDRS->flags);
+ set_bit(FD_VERIFY_BIT, &UDRS->flags);
UDRS->fd_device = -1;
floppy_track_buffer = NULL;
max_buffer_sectors = 0;
--
1.6.6.rc0.57.gad7a
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
Powered by blists - more mailing lists