Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5513c5f6f9bd8c8ad3727130910fa288c62526a7
Commit: 5513c5f6f9bd8c8ad3727130910fa288c62526a7
Parent: 2e2705bdcb959372d54bf7f79dd9a555ec2adfb4
Author: Stefan Richter <[EMAIL PROTECTED]>
AuthorDate: Sun Feb 17 14:56:19 2008 +0100
Committer: Stefan Richter <[EMAIL PROTECTED]>
CommitDate: Tue Feb 19 19:57:23 2008 +0100
firewire: fw-sbp2: fix NULL pointer deref. in slave_alloc
Fix a kernel bug when running rescan-scsi-bus while a FireWire disk is
connected: http://bugzilla.kernel.org/show_bug.cgi?id=10008
Signed-off-by: Stefan Richter <[EMAIL PROTECTED]>
---
drivers/firewire/fw-sbp2.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index ea4811c..60ebcb5 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -1473,6 +1473,10 @@ static int sbp2_scsi_slave_alloc(struct scsi_device
*sdev)
{
struct sbp2_logical_unit *lu = sdev->hostdata;
+ /* (Re-)Adding logical units via the SCSI stack is not supported. */
+ if (!lu)
+ return -ENOSYS;
+
sdev->allow_restart = 1;
/*
-
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