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| author |   Nicolas Dichtel <nicolas.dichtel@6wind.com> | 2014-12-10 15:45:07 -0800 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2014-12-10 17:41:09 -0800 |
| commit | 2fc1e948e820bddf8a686c6e2989219b471d7982 (patch) | |
| tree | f06ab547b8864f69d0c6d11a3d628c064a15d851 /fs/proc | |
| parent | procfs: fix error handling of proc_register() (diff) | |
| download | linux-dev-2fc1e948e820bddf8a686c6e2989219b471d7982.tar.xz linux-dev-2fc1e948e820bddf8a686c6e2989219b471d7982.zip | |
fs/proc.c: use rb_entry_safe() instead of rb_entry()
Better to use existing macro that rewriting them.
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/proc')
| -rw-r--r-- | fs/proc/generic.c | 16 |
1 files changed, 4 insertions, 12 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c index be39c6feb3e5..7fea13229f33 100644 --- a/fs/proc/generic.c +++ b/fs/proc/generic.c @@ -41,22 +41,14 @@ static int proc_match(unsigned int len, const char *name, struct proc_dir_entry static struct proc_dir_entry *pde_subdir_first(struct proc_dir_entry *dir) { - struct rb_node *node = rb_first(&dir->subdir); - - if (node == NULL) - return NULL; - - return rb_entry(node, struct proc_dir_entry, subdir_node); + return rb_entry_safe(rb_first(&dir->subdir), struct proc_dir_entry, + subdir_node); } static struct proc_dir_entry *pde_subdir_next(struct proc_dir_entry *dir) { - struct rb_node *node = rb_next(&dir->subdir_node); - - if (node == NULL) - return NULL; - - return rb_entry(node, struct proc_dir_entry, subdir_node); + return rb_entry_safe(rb_next(&dir->subdir_node), struct proc_dir_entry, + subdir_node); } static struct proc_dir_entry *pde_subdir_find(struct proc_dir_entry *dir, |