Re: [patch] scsi: fix crash in gdth_timeout()

From: Linus Torvalds
Date: Mon Oct 15 2007 - 13:12:30 EST




On Mon, 15 Oct 2007, Ingo Molnar wrote:
>
> A further problem is probably that the GDTH timer is not stopped by a
> failed GDTH probe?

Indeed. Maybe this is a better fix?

That driver is pretty messy, and this should have been found ealier.
James? Boaz?

Linus

---
drivers/scsi/gdth.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index e8010a7..3ac080e 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -5213,6 +5213,10 @@ static int __init gdth_init(void)
#endif /* CONFIG_PCI */

TRACE2(("gdth_detect() %d controller detected\n", gdth_ctr_count));
+
+ if (list_empty(&gdth_instances))
+ return -ENODEV;
+
#ifdef GDTH_STATISTICS
TRACE2(("gdth_detect(): Initializing timer !\n"));
init_timer(&gdth_timer);
-
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