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[SCSI] scsi_debug: remove temporary hack around sscanf for negative values

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sscanf can handle negative values.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Acked-by: Douglas Gilbert <dougg@torque.net>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
FUJITA Tomonori
2008-03-20 11:09:15 +09:00
committed by James Bottomley
parent 1c353f7d61
commit f3df41cff4
1 changed files with 3 additions and 14 deletions
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13
drivers/scsi/scsi_debug.c
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@@ -2682,20 +2682,9 @@ static ssize_t sdebug_add_host_store(struct device_driver * ddp,
const char * buf, size_t count) const char * buf, size_t count)
{ {
int delta_hosts; int delta_hosts;
char work[20];
if (1 != sscanf(buf, "%10s", work)) if (sscanf(buf, "%d", &delta_hosts) != 1)
return -EINVAL; return -EINVAL;
{ /* temporary hack around sscanf() problem with -ve nums */
int neg = 0;
if ('-' == *work)
neg = 1;
if (1 != sscanf(work + neg, "%d", &delta_hosts))
return -EINVAL;
if (neg)
delta_hosts = -delta_hosts;
}
if (delta_hosts > 0) { if (delta_hosts > 0) {
do { do {
sdebug_add_adapter(); sdebug_add_adapter();