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securityfs: fix securityfs_create_dir comment
If there is an error creating a directory with securityfs_create_dir,
the error is propagated via ERR_PTR but the function comment claims that
NULL is returned.
This is a similar commit to 88e6c94cda
("fix long-broken securityfs_create_file comment") that did not fix
securityfs_create_dir comment at the same time.
Signed-off-by: Laurent Georget <laurent.georget@supelec.fr>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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@ -156,12 +156,11 @@ EXPORT_SYMBOL_GPL(securityfs_create_file);
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* This function returns a pointer to a dentry if it succeeds. This
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* pointer must be passed to the securityfs_remove() function when the file is
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* to be removed (no automatic cleanup happens if your module is unloaded,
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* you are responsible here). If an error occurs, %NULL will be returned.
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* you are responsible here). If an error occurs, the function will return
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* the error value (via ERR_PTR).
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*
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* If securityfs is not enabled in the kernel, the value %-ENODEV is
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* returned. It is not wise to check for this value, but rather, check for
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* %NULL or !%NULL instead as to eliminate the need for #ifdef in the calling
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* code.
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* returned.
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*/
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struct dentry *securityfs_create_dir(const char *name, struct dentry *parent)
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{
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