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scsi_dh: don't try to load a device handler during async probing 

Request_module gets really unhappy when called from async probing, so
revert to not auto load device handler modules during the SCSI bus
scan.  While autoloading would be really useful we never did this
until 4.3-rc and it turns out that functionality doesn't actually
work.

Fixes: 566079 ("dm-mpath, scsi_dh: request scsi_dh modules in scsi_dh, not dm-mpath")
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reported-by: Paul Mackerras <paulus@ozlabs.org>
Tested-by: Paul Mackerras <paulus@ozlabs.org>
Signed-off-by: James Bottomley <JBottomley@Odin.com>
hifive-unleashed-5.1
Christoph Hellwig 2015-10-08 09:25:32 +01:00 committed by James Bottomley
parent 23695e41a1
commit d6a32b9809
1 changed files with 1 additions and 1 deletions
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2
drivers/scsi/scsi_dh.c
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@ -226,7 +226,7 @@ int scsi_dh_add_device(struct scsi_device *sdev)
drv = scsi_dh_find_driver(sdev);
if (drv)
devinfo = scsi_dh_lookup(drv);
devinfo = __scsi_dh_lookup(drv);
if (devinfo)
err = scsi_dh_handler_attach(sdev, devinfo);
return err;