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[SCSI] scsi_scan.c: fix compile warnings

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drivers/scsi/scsi_scan.c: In function `scsi_probe_and_add_lun':
drivers/scsi/scsi_scan.c:926: warning: unused variable `vend'
drivers/scsi/scsi_scan.c:926: warning: unused variable `mod'
drivers/scsi/scsi_scan.c: At top level:
drivers/scsi/scsi_scan.c:829: warning: `scsi_inq_str' defined but not used

Fix those, tighten up the (somewhat poorly-designed) logging macro and fix
some coding-style warts.

Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
akpm@osdl.org 2006-04-15 00:30:24 -07:00 committed by James Bottomley
parent cdb8c2a6d8
commit c5f2e6404c
2 changed files with 18 additions and 9 deletions
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8
drivers/scsi/scsi_logging.h
View File

@ -45,10 +45,12 @@ extern unsigned int scsi_logging_level;
((scsi_logging_level >> (SHIFT)) & ((1 << (BITS)) - 1))
#define SCSI_CHECK_LOGGING(SHIFT, BITS, LEVEL, CMD) \
{ \
do { \
if (unlikely((SCSI_LOG_LEVEL(SHIFT, BITS)) > (LEVEL))) \
(CMD); \
}
do { \
CMD; \
} while (0); \
} while (0)
#else
#define SCSI_CHECK_LOGGING(SHIFT, BITS, LEVEL, CMD)
#endif /* CONFIG_SCSI_LOGGING */

19
drivers/scsi/scsi_scan.c
View File

@ -816,6 +816,7 @@ static inline void scsi_destroy_sdev(struct scsi_device *sdev)
put_device(&sdev->sdev_gendev);
}
#ifdef CONFIG_SCSI_LOGGING
/**
* scsi_inq_str - print INQUIRY data from min to max index,
* strip trailing whitespace
@ -824,12 +825,13 @@ static inline void scsi_destroy_sdev(struct scsi_device *sdev)
* @first: Offset of string into inq
* @end: Index after last character in inq
*/
static unsigned char* scsi_inq_str(unsigned char* buf, unsigned char *inq,
static unsigned char *scsi_inq_str(unsigned char *buf, unsigned char *inq,
unsigned first, unsigned end)
{
unsigned term = 0, idx;
for (idx = 0; idx+first < end && idx+first < inq[4]+5; ++idx) {
if (inq[idx+first] > 0x20) {
for (idx = 0; idx + first < end && idx + first < inq[4] + 5; idx++) {
if (inq[idx+first] > ' ') {
buf[idx] = inq[idx+first];
term = idx+1;
} else {
@ -839,6 +841,7 @@ static unsigned char* scsi_inq_str(unsigned char* buf, unsigned char *inq,
buf[term] = 0;
return buf;
}
#endif
/**
* scsi_probe_and_add_lun - probe a LUN, if a LUN is found add it
@ -923,12 +926,16 @@ static int scsi_probe_and_add_lun(struct scsi_target *starget,
" peripheral qualifier of 3, device not"
" added\n"))
if (lun == 0) {
unsigned char vend[9], mod[17];
SCSI_LOG_SCAN_BUS(1, sdev_printk(KERN_INFO, sdev,
SCSI_LOG_SCAN_BUS(1, {
unsigned char vend[9];
unsigned char mod[17];
sdev_printk(KERN_INFO, sdev,
"scsi scan: consider passing scsi_mod."
"dev_flags=%s:%s:0x240 or 0x800240\n",
scsi_inq_str(vend, result, 8, 16),
scsi_inq_str(mod, result, 16, 32)));
scsi_inq_str(mod, result, 16, 32));
});
}
res = SCSI_SCAN_TARGET_PRESENT;