* [PATCH] More BUG_ON conversion
@ 2006-05-03 13:48 Alexey Dobriyan
0 siblings, 0 replies; only message in thread
From: Alexey Dobriyan @ 2006-05-03 13:48 UTC (permalink / raw)
To: Andrew Morton; +Cc: linux-kernel, Eric Sesterhenn
From: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
---
arch/frv/kernel/setup.c | 2 +-
drivers/ide/ide-cd.c | 3 +--
drivers/ide/ide-dma.c | 6 ++----
drivers/ide/ide-floppy.c | 12 ++++--------
drivers/ide/ide-iops.c | 12 ++++--------
drivers/ide/ide-lib.c | 3 +--
drivers/ide/ide-taskfile.c | 3 +--
drivers/ide/ide.c | 3 +--
drivers/ide/pci/trm290.c | 3 +--
drivers/scsi/53c700.h | 6 ++----
drivers/scsi/aacraid/aachba.c | 15 +++++----------
drivers/scsi/aacraid/commsup.c | 6 ++----
drivers/scsi/arm/queue.c | 6 ++----
drivers/scsi/ibmmca.c | 3 +--
drivers/scsi/ide-scsi.c | 6 ++----
drivers/scsi/megaraid.c | 2 +-
kernel/exit.c | 5 ++---
mm/pdflush.c | 3 +--
18 files changed, 34 insertions(+), 65 deletions(-)
--- a/arch/frv/kernel/setup.c
+++ b/arch/frv/kernel/setup.c
@@ -814,7 +814,7 @@ void __init setup_arch(char **cmdline_p)
* - by now the stack is part of the init task */
printk("Memory %08lx-%08lx\n", memory_start, memory_end);
- if (memory_start == memory_end) BUG();
+ BUG_ON(memory_start == memory_end);
init_mm.start_code = (unsigned long) &_stext;
init_mm.end_code = (unsigned long) &_etext;
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1722,8 +1722,7 @@ static ide_startstop_t cdrom_newpc_intr(
}
}
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive, cdrom_newpc_intr, rq->timeout, NULL);
return ide_started;
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -206,8 +206,7 @@ int ide_build_sglist(ide_drive_t *drive,
ide_hwif_t *hwif = HWIF(drive);
struct scatterlist *sg = hwif->sg_table;
- if ((rq->flags & REQ_DRIVE_TASKFILE) && rq->nr_sectors > 256)
- BUG();
+ BUG_ON((rq->flags & REQ_DRIVE_TASKFILE) && rq->nr_sectors > 256);
ide_map_sg(drive, rq);
@@ -947,8 +946,7 @@ void ide_setup_dma (ide_hwif_t *hwif, un
}
printk("\n");
- if (!(hwif->dma_master))
- BUG();
+ BUG_ON(!hwif->dma_master);
}
EXPORT_SYMBOL_GPL(ide_setup_dma);
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -898,8 +898,7 @@ static ide_startstop_t idefloppy_pc_intr
"to send us more data than expected "
"- discarding data\n");
idefloppy_discard_data(drive,bcount.all);
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive,
&idefloppy_pc_intr,
IDEFLOPPY_WAIT_CMD,
@@ -932,8 +931,7 @@ static ide_startstop_t idefloppy_pc_intr
pc->actually_transferred += bcount.all;
pc->current_position += bcount.all;
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL); /* And set the interrupt handler again */
return ide_started;
}
@@ -960,8 +958,7 @@ static ide_startstop_t idefloppy_transfe
"issuing a packet command\n");
return ide_do_reset(drive);
}
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
/* Set the interrupt routine */
ide_set_handler(drive, &idefloppy_pc_intr, IDEFLOPPY_WAIT_CMD, NULL);
/* Send the actual packet */
@@ -1017,8 +1014,7 @@ static ide_startstop_t idefloppy_transfe
* 40 and 50msec work well. idefloppy_pc_intr will not be actually
* used until after the packet is moved in about 50 msec.
*/
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive,
&idefloppy_pc_intr, /* service routine for packet command */
floppy->ticks, /* wait this long before "failing" */
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -939,8 +939,7 @@ void ide_execute_command(ide_drive_t *dr
spin_lock_irqsave(&ide_lock, flags);
- if(hwgroup->handler)
- BUG();
+ BUG_ON(hwgroup->handler);
hwgroup->handler = handler;
hwgroup->expiry = expiry;
hwgroup->timer.expires = jiffies + timeout;
@@ -981,8 +980,7 @@ static ide_startstop_t atapi_reset_pollf
printk("%s: ATAPI reset complete\n", drive->name);
} else {
if (time_before(jiffies, hwgroup->poll_timeout)) {
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive, &atapi_reset_pollfunc, HZ/20, NULL);
/* continue polling */
return ide_started;
@@ -1021,8 +1019,7 @@ static ide_startstop_t reset_pollfunc (i
if (!OK_STAT(tmp = hwif->INB(IDE_STATUS_REG), 0, BUSY_STAT)) {
if (time_before(jiffies, hwgroup->poll_timeout)) {
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive, &reset_pollfunc, HZ/20, NULL);
/* continue polling */
return ide_started;
@@ -1138,8 +1135,7 @@ static ide_startstop_t do_reset1 (ide_dr
hwgroup = HWGROUP(drive);
/* We must not reset with running handlers */
- if(hwgroup->handler != NULL)
- BUG();
+ BUG_ON(hwgroup->handler != NULL);
/* For an ATAPI device, first try an ATAPI SRST. */
if (drive->media != ide_disk && !do_not_try_atapi) {
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -164,8 +164,7 @@ u8 ide_rate_filter (u8 mode, u8 speed)
// printk("%s: mode 0x%02x, speed 0x%02x\n", __FUNCTION__, mode, speed);
/* So that we remember to update this if new modes appear */
- if (mode > 4)
- BUG();
+ BUG_ON(mode > 4);
return min(speed, speed_max[mode]);
#else /* !CONFIG_BLK_DEV_IDEDMA */
return min(speed, (u8)XFER_PIO_4);
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -196,8 +196,7 @@ ide_startstop_t set_geometry_intr (ide_d
if (stat & (ERR_STAT|DRQ_STAT))
return ide_error(drive, "set_geometry_intr", stat);
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive, &set_geometry_intr, WAIT_WORSTCASE, NULL);
return ide_started;
}
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -1366,8 +1366,7 @@ int generic_ide_ioctl(ide_drive_t *drive
ide_abort(drive, "drive reset");
- if(HWGROUP(drive)->handler)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler);
/* Ensure nothing gets queued after we
drop the lock. Reset will clear the busy */
--- a/drivers/ide/pci/trm290.c
+++ b/drivers/ide/pci/trm290.c
@@ -183,8 +183,7 @@ static void trm290_ide_dma_exec_cmd(ide_
{
ide_hwif_t *hwif = HWIF(drive);
- if (HWGROUP(drive)->handler != NULL) /* paranoia check */
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL); /* paranoia check */
ide_set_handler(drive, &ide_dma_intr, WAIT_CMD, NULL);
/* issue cmd to drive */
hwif->OUTB(command, IDE_COMMAND_REG);
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -472,8 +472,7 @@ NCR_700_readl(struct Scsi_Host *host, __
ioread32(hostdata->base + reg);
#if 1
/* sanity check the register */
- if((reg & 0x3) != 0)
- BUG();
+ BUG_ON((reg & 0x3) != 0);
#endif
return value;
@@ -496,8 +495,7 @@ NCR_700_writel(__u32 value, struct Scsi_
#if 1
/* sanity check the register */
- if((reg & 0x3) != 0)
- BUG();
+ BUG_ON((reg & 0x3) != 0);
#endif
bEBus ? iowrite32be(value, hostdata->base + reg):
--- a/drivers/scsi/aacraid/aachba.c
+++ b/drivers/scsi/aacraid/aachba.c
@@ -390,8 +390,7 @@ static void get_container_name_callback(
scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
dprintk((KERN_DEBUG "get_container_name_callback[cpu %d]: t = %ld.\n", smp_processor_id(), jiffies));
- if (fibptr == NULL)
- BUG();
+ BUG_ON(fibptr == NULL);
get_name_reply = (struct aac_get_name_resp *) fib_data(fibptr);
/* Failure is irrelevant, using default value instead */
@@ -950,8 +949,7 @@ static void io_callback(void *context, s
smp_processor_id(), (unsigned long long)lba, jiffies);
}
- if (fibptr == NULL)
- BUG();
+ BUG_ON(fibptr == NULL);
if(scsicmd->use_sg)
pci_unmap_sg(dev->pdev,
@@ -1086,8 +1084,7 @@ static int aac_read(struct scsi_cmnd * s
aac_build_sgraw(scsicmd, &readcmd->sg);
fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(readcmd->sg.count) - 1) * sizeof (struct sgentryraw));
- if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
- BUG();
+ BUG_ON(fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
@@ -1255,8 +1252,7 @@ static int aac_write(struct scsi_cmnd *
aac_build_sgraw(scsicmd, &writecmd->sg);
fibsize = sizeof(struct aac_raw_io) + ((le32_to_cpu(writecmd->sg.count) - 1) * sizeof (struct sgentryraw));
- if (fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)))
- BUG();
+ BUG_ON(fibsize > (dev->max_fib_size - sizeof(struct aac_fibhdr)));
/*
* Now send the Fib to the adapter
*/
@@ -1898,8 +1894,7 @@ static void aac_srb_callback(void *conte
scsicmd->SCp.phase = AAC_OWNER_MIDLEVEL;
dev = (struct aac_dev *)scsicmd->device->host->hostdata;
- if (fibptr == NULL)
- BUG();
+ BUG_ON(fibptr == NULL);
srbreply = (struct aac_srb_reply *) fib_data(fibptr);
--- a/drivers/scsi/aacraid/commsup.c
+++ b/drivers/scsi/aacraid/commsup.c
@@ -229,8 +229,7 @@ void aac_fib_init(struct fib *fibptr)
static void fib_dealloc(struct fib * fibptr)
{
struct hw_fib *hw_fib = fibptr->hw_fib;
- if(hw_fib->header.StructType != FIB_MAGIC)
- BUG();
+ BUG_ON(hw_fib->header.StructType != FIB_MAGIC);
hw_fib->header.XferState = 0;
}
@@ -534,8 +533,7 @@ int aac_fib_send(u16 command, struct fib
}
} else
down(&fibptr->event_wait);
- if(fibptr->done == 0)
- BUG();
+ BUG_ON(fibptr->done == 0);
if((fibptr->flags & FIB_CONTEXT_FLAG_TIMED_OUT)){
return -ETIMEDOUT;
--- a/drivers/scsi/arm/queue.c
+++ b/drivers/scsi/arm/queue.c
@@ -118,8 +118,7 @@ int __queue_add(Queue_t *queue, Scsi_Cmn
list_del(l);
q = list_entry(l, QE_t, list);
- if (BAD_MAGIC(q, QUEUE_MAGIC_FREE))
- BUG();
+ BUG_ON(BAD_MAGIC(q, QUEUE_MAGIC_FREE));
SET_MAGIC(q, QUEUE_MAGIC_USED);
q->SCpnt = SCpnt;
@@ -144,8 +143,7 @@ static Scsi_Cmnd *__queue_remove(Queue_t
*/
list_del(ent);
q = list_entry(ent, QE_t, list);
- if (BAD_MAGIC(q, QUEUE_MAGIC_USED))
- BUG();
+ BUG_ON(BAD_MAGIC(q, QUEUE_MAGIC_USED));
SET_MAGIC(q, QUEUE_MAGIC_FREE);
list_add(ent, &queue->free);
--- a/drivers/scsi/ibmmca.c
+++ b/drivers/scsi/ibmmca.c
@@ -2243,8 +2243,7 @@ static int __ibmmca_host_reset(Scsi_Cmnd
int host_index;
unsigned long imm_command;
- if (cmd == NULL)
- BUG();
+ BUG_ON(cmd == NULL);
ticks = IM_RESET_DELAY * HZ;
shpnt = cmd->device->host;
--- a/drivers/scsi/ide-scsi.c
+++ b/drivers/scsi/ide-scsi.c
@@ -600,8 +600,7 @@ static ide_startstop_t idescsi_transfer_
"issuing a packet command\n");
return ide_do_reset (drive);
}
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
/* Set the interrupt routine */
ide_set_handler(drive, &idescsi_pc_intr, get_timeout(pc), idescsi_expiry);
/* Send the actual packet */
@@ -691,8 +690,7 @@ static ide_startstop_t idescsi_issue_pc
set_bit(PC_DMA_OK, &pc->flags);
if (test_bit(IDESCSI_DRQ_INTERRUPT, &scsi->flags)) {
- if (HWGROUP(drive)->handler != NULL)
- BUG();
+ BUG_ON(HWGROUP(drive)->handler != NULL);
ide_set_handler(drive, &idescsi_transfer_pc,
get_timeout(pc), idescsi_expiry);
/* Issue the packet command */
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -1828,7 +1828,7 @@ mega_build_sglist(adapter_t *adapter, sc
scb->dma_type = MEGA_SGLIST;
- if( sgcnt > adapter->sglen ) BUG();
+ BUG_ON(sgcnt > adapter->sglen);
*len = 0;
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -578,7 +578,7 @@ static void exit_mm(struct task_struct *
down_read(&mm->mmap_sem);
}
atomic_inc(&mm->mm_count);
- if (mm != tsk->active_mm) BUG();
+ BUG_ON(mm != tsk->active_mm);
/* more a memory barrier than a real lock */
task_lock(tsk);
tsk->mm = NULL;
@@ -1535,8 +1535,7 @@ check_continued:
if (options & __WNOTHREAD)
break;
tsk = next_thread(tsk);
- if (tsk->signal != current->signal)
- BUG();
+ BUG_ON(tsk->signal != current->signal);
} while (tsk != current);
read_unlock(&tasklist_lock);
--- a/mm/pdflush.c
+++ b/mm/pdflush.c
@@ -202,8 +202,7 @@ int pdflush_operation(void (*fn)(unsigne
unsigned long flags;
int ret = 0;
- if (fn == NULL)
- BUG(); /* Hard to diagnose if it's deferred */
+ BUG_ON(fn == NULL); /* Hard to diagnose if it's deferred */
spin_lock_irqsave(&pdflush_lock, flags);
if (list_empty(&pdflush_list)) {
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2006-05-03 13:48 [PATCH] More BUG_ON conversion Alexey Dobriyan
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