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author | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2008-02-18 21:11:07 +0100 |
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committer | Stefan Richter <stefanr@s5r6.in-berlin.de> | 2008-04-18 17:55:29 +0200 |
commit | d2ace29fa44589da51fedc06a67b3f05301f3bfd (patch) | |
tree | 3790d77128ba48194af5ca667ba304d3047c1363 /drivers/ieee1394/nodemgr.c | |
parent | 63995d46506a774f5ddd6b51c017d42c3fbfaedb (diff) | |
download | kernel_samsung_smdk4412-d2ace29fa44589da51fedc06a67b3f05301f3bfd.zip kernel_samsung_smdk4412-d2ace29fa44589da51fedc06a67b3f05301f3bfd.tar.gz kernel_samsung_smdk4412-d2ace29fa44589da51fedc06a67b3f05301f3bfd.tar.bz2 |
ieee1394: prevent device binding of raw1394, video1394, dv1394
These drivers don't need to match any unit_directory type device.
They just need the id_table for module autoloading per module alias.
Not binding any of these drivers allows special-purpose drivers with
similar or same IDs to bind to devices. This currently only benefits
out-of-tree drivers; on the other hand it is in no way detrimental to
in-tree drivers.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Diffstat (limited to 'drivers/ieee1394/nodemgr.c')
-rw-r--r-- | drivers/ieee1394/nodemgr.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c index 511e432..70afa37 100644 --- a/drivers/ieee1394/nodemgr.c +++ b/drivers/ieee1394/nodemgr.c @@ -701,7 +701,11 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv) return 0; driver = container_of(drv, struct hpsb_protocol_driver, driver); - for (id = driver->id_table; id->match_flags != 0; id++) { + id = driver->id_table; + if (!id) + return 0; + + for (; id->match_flags != 0; id++) { if ((id->match_flags & IEEE1394_MATCH_VENDOR_ID) && id->vendor_id != ud->vendor_id) continue; |