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authorEric W. Biederman <ebiederm@xmission.com>2008-05-08 14:41:00 -0700
committerGreg Kroah-Hartman <gregkh@suse.de>2008-10-16 09:24:52 -0700
commit030c1d2bfcc2187650fb975456ca0b61a5bb77f4 (patch)
tree40ed27ce25cf8cbb6b8d3fdb8e25accc17b098c3 /crypto/ctr.c
parent8c0e3998f5b71e68fe6b6e489a92e052715e563c (diff)
kobject: Fix kobject_rename and !CONFIG_SYSFS
When looking at kobject_rename I found two bugs with that exist when sysfs support is disabled in the kernel. kobject_rename does not change the name on the kobject when sysfs support is not compiled in. kobject_rename without locking attempts to check the validity of a rename operation, which the kobject layer simply does not have the infrastructure to do. This patch documents the previously unstated requirement of kobject_rename that is the responsibility of the caller to provide mutual exclusion and to be certain that the new_name for the kobject is valid. This patch modifies sysfs_rename_dir in !CONFIG_SYSFS case to call kobject_set_name to actually change the kobject_name. This patch removes the bogus and misleading check in kobject_rename that attempts to see if a rename is valid. The check is bogus because we do not have the proper locking. The check is misleading because it looks like we can and do perform checking at the kobject level that we don't. Signed-off-by: Eric W. Biederman <ebiederm@xmission.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'crypto/ctr.c')
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