* [patch 2.6.17-rc5-git] fix SCSI compile-time divide-by-zero with HZ < 100
@ 2006-05-31 1:51 David Brownell
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From: David Brownell @ 2006-05-31 1:51 UTC (permalink / raw)
To: Linux Kernel list
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This is the quickie patch, but someone might care to make
the USER_HZ-coupled value scale for HZ=64 etc.
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This fixes a compiler-reported divide-by-zero when HZ < 100.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
--- a/block/scsi_ioctl.c
+++ b/block/scsi_ioctl.c
@@ -63,7 +63,7 @@ static int scsi_get_bus(request_queue_t
static int sg_get_timeout(request_queue_t *q)
{
- return q->sg_timeout / (HZ / USER_HZ);
+ return q->sg_timeout / max(1,(HZ / USER_HZ));
}
static int sg_set_timeout(request_queue_t *q, int __user *p)
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2006-05-31 1:51 [patch 2.6.17-rc5-git] fix SCSI compile-time divide-by-zero with HZ < 100 David Brownell
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