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authorNicolas Dichtel <nicolas.dichtel@6wind.com>2014-12-10 15:45:07 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2014-12-10 17:41:09 -0800
commit2fc1e948e820bddf8a686c6e2989219b471d7982 (patch)
treef06ab547b8864f69d0c6d11a3d628c064a15d851 /fs/proc
parentb208d54b75399b276b05f9e70cce8d3a59a42547 (diff)
downloadop-kernel-dev-2fc1e948e820bddf8a686c6e2989219b471d7982.zip
op-kernel-dev-2fc1e948e820bddf8a686c6e2989219b471d7982.tar.gz
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.c16
1 files changed, 4 insertions, 12 deletions
diff --git a/fs/proc/generic.c b/fs/proc/generic.c
index be39c6f..7fea132 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,
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