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proc: Supply a function to remove a proc entry by PDE

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Supply a function (proc_remove()) to remove a proc entry (and any subtree
rooted there) by proc_dir_entry pointer rather than by name and (optionally)
root dir entry pointer.  This allows us to eliminate all remaining pde->name
accesses outside of procfs.

Signed-off-by: David Howells <dhowells@redhat.com>
Acked-by: Grant Likely <grant.likely@linaro.or>
cc: linux-acpi@vger.kernel.org
cc: openipmi-developer@lists.sourceforge.net
cc: devicetree-discuss@lists.ozlabs.org
cc: linux-pci@vger.kernel.org
cc: netdev@vger.kernel.org
cc: netfilter-devel@vger.kernel.org
cc: alsa-devel@alsa-project.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
David Howells 2013-04-12 17:27:28 +01:00 • committed by Al Viro
parent 8d8b97ba49
commit a8ca16ea7b
14 changed files with 33 additions and 73 deletions
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2
include/linux/proc_fs.h
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@ -67,6 +67,7 @@ struct proc_dir_entry *proc_create_data(const char *name, umode_t mode,
struct proc_dir_entry *parent,
const struct file_operations *proc_fops,
void *data);
extern void proc_remove(struct proc_dir_entry *);
extern void remove_proc_entry(const char *name, struct proc_dir_entry *parent);
extern int remove_proc_subtree(const char *name, struct proc_dir_entry *parent);
@ -101,6 +102,7 @@ static inline struct proc_dir_entry *proc_create_data(const char *name,
{
return NULL;
}
static inline void proc_remove(struct proc_dir_entry *de) {}
#define remove_proc_entry(name, parent) do {} while (0)
#define remove_proc_subtree(name, parent) do {} while (0)