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scsi/NCR5380: dprintk macro

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This is the delta between the two submissions:
[PATCH 00/12] scsi/NCR5380: fix debugging macros and #include structure
and
[PATCH v2 00/12] scsi/NCR5380: fix debugging macros and #include structure

The macro definition changes were discussed on the mailing list during
review. The idea is to get the compiler to check the parameters of
disabled printk() calls so that the debugging code doesn't rot again.

Signed-off-by: Finn Thain <fthain@telegraphics.com.au>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Finn Thain 2014-05-29 00:43:43 +10:00 committed by Christoph Hellwig
parent a48ac9e5d4
commit 16b9d870a0
2 changed files with 4 additions and 8 deletions
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6
drivers/scsi/NCR5380.h
View File

@ -295,9 +295,10 @@ struct NCR5380_hostdata {
#define NDEBUG (0)
#endif
#define dprintk(flg, fmt, ...) \
do { if ((NDEBUG) & (flg)) pr_debug(fmt, ## __VA_ARGS__); } while (0)
#if NDEBUG
#define dprintk(flg, fmt, args...) \
do { if ((NDEBUG) & (flg)) pr_debug(fmt, ## args); } while (0)
#define NCR5380_dprint(flg, arg) \
do { if ((NDEBUG) & (flg)) NCR5380_print(arg); } while (0)
#define NCR5380_dprint_phase(flg, arg) \
@ -305,7 +306,6 @@ struct NCR5380_hostdata {
static void NCR5380_print_phase(struct Scsi_Host *instance);
static void NCR5380_print(struct Scsi_Host *instance);
#else
#define dprintk(flg, fmt, args...) do {} while (0)
#define NCR5380_dprint(flg, arg) do {} while (0)
#define NCR5380_dprint_phase(flg, arg) do {} while (0)
#endif

6
drivers/scsi/sun3_NCR5380.c
View File

@ -1006,12 +1006,8 @@ static void NCR5380_main (struct work_struct *bl)
for (tmp = (struct scsi_cmnd *) hostdata->issue_queue,
prev = NULL; tmp; prev = tmp, tmp = NEXT(tmp) ) {
#if (NDEBUG & NDEBUG_LISTS)
if (prev != tmp)
printk("MAIN tmp=%p target=%d busy=%d lun=%d\n",
tmp, tmp->target, hostdata->busy[tmp->target],
tmp->lun);
#endif
dprintk(NDEBUG_LISTS, "MAIN tmp=%p target=%d busy=%d lun=%d\n", tmp, tmp->device->id, hostdata->busy[tmp->device->id], tmp->device->lun);
/* When we find one, remove it from the issue queue. */
/* ++guenther: possible race with Falcon locking */
if (