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authorJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-02 11:14:30 -0600
committerJames Bottomley <James.Bottomley@HansenPartnership.com>2008-01-02 13:08:00 -0600
commit751bf4d7865e4ced406be93b04c7436d866d3684 (patch)
treebb5d45ec9af0dc3cf22d3a21364c13f6ae2e5358 /drivers/scsi/scsi_priv.h
parentdc512814b5f8b7b80c74d6170b93a606ae4f36c5 (diff)
downloadop-kernel-dev-751bf4d7865e4ced406be93b04c7436d866d3684.zip
op-kernel-dev-751bf4d7865e4ced406be93b04c7436d866d3684.tar.gz
[SCSI] scsi_sysfs: restore prep_fn when ULD is removed
A recent bug report: http://bugzilla.kernel.org/show_bug.cgi?id=9674 Was caused because the ULDs now set their own prep functions, but don't necessarily reset the prep function back to the SCSI default when they are removed. This leads to panics if commands are sent to the device after the module is removed because the prep_fn is still pointing to the old module code. The fix for this is to implement a bus remove method that resets the prep_fn pointer correctly before calling the ULD specific driver remove method. Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Diffstat (limited to 'drivers/scsi/scsi_priv.h')
-rw-r--r--drivers/scsi/scsi_priv.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index eff0059..3f34e93 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -74,6 +74,9 @@ extern struct request_queue *scsi_alloc_queue(struct scsi_device *sdev);
extern void scsi_free_queue(struct request_queue *q);
extern int scsi_init_queue(void);
extern void scsi_exit_queue(void);
+struct request_queue;
+struct request;
+extern int scsi_prep_fn(struct request_queue *, struct request *);
/* scsi_proc.c */
#ifdef CONFIG_SCSI_PROC_FS
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