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authorRoland Dreier <rdreier@cisco.com>2009-01-09 22:27:42 -0800
committerGreg Kroah-Hartman <gregkh@suse.de>2009-01-20 20:52:08 -0800
commit7143f7a1a3603002e4ef3719fa92e8dd6e607099 (patch)
treee0a5bb29f730eee9184467f9d076f3d81ffc9b2d /scripts/mod
parentf3b8436ad9a8ad36b3c9fa1fe030c7f38e5d3d0b (diff)
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driver core: Convert '/' to '!' in dev_set_name()
Commit 3ada8b7e ("block: struct device - replace bus_id with dev_name(), dev_set_name()") deleted the code in register_disk() that changed a '/' to a '!' in the device name when registering a disk, but dev_set_name() does not perform this conversion. This leads to amusing problems with disks that have '/' in their names: for example a failure to boot with the root partition on a cciss device, even though the kernel says it knows about the root device: VFS: Cannot open root device "cciss/c0d0p6" or unknown-block(0,0) Please append a correct "root=" boot option; here are the available partitions: 6800 71652960 cciss/c0d0 driver: cciss 6802 1 cciss/c0d0p2 6805 2931831 cciss/c0d0p5 6806 34354908 cciss/c0d0p6 6810 71652960 cciss/c0d1 driver: cciss Fix this by adding code to change '/' to '!' in dev_set_name() to handle this until dev_set_name() is converted to use kobject_set_name(). Signed-off-by: Roland Dreier <rolandd@cisco.com> Acked-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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