[PATCH 1/1 linux-next] jffs2: remove multiple dereferences in debug

From: Fabian Frederick
Date: Tue Mar 03 2015 - 14:03:30 EST


use jffs2_eraseblock variables to simplify the code

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
fs/jffs2/debug.c | 26 ++++++++++++++------------
1 file changed, 14 insertions(+), 12 deletions(-)

diff --git a/fs/jffs2/debug.c b/fs/jffs2/debug.c
index 1090eb6..2ddb967 100644
--- a/fs/jffs2/debug.c
+++ b/fs/jffs2/debug.c
@@ -160,26 +160,28 @@ __jffs2_dbg_prewrite_paranoia_check(struct jffs2_sb_info *c,
void __jffs2_dbg_superblock_counts(struct jffs2_sb_info *c)
{
struct jffs2_eraseblock *jeb;
+ struct jffs2_eraseblock *gcb = c->gcblock;
+ struct jffs2_eraseblock *nextb = c->nextblock;
uint32_t free = 0, dirty = 0, used = 0, wasted = 0,
erasing = 0, bad = 0, unchecked = 0;
int nr_counted = 0;
int dump = 0;

- if (c->gcblock) {
+ if (gcb) {
nr_counted++;
- free += c->gcblock->free_size;
- dirty += c->gcblock->dirty_size;
- used += c->gcblock->used_size;
- wasted += c->gcblock->wasted_size;
- unchecked += c->gcblock->unchecked_size;
+ free += gcb->free_size;
+ dirty += gcb->dirty_size;
+ used += gcb->used_size;
+ wasted += gcb->wasted_size;
+ unchecked += gcb->unchecked_size;
}
- if (c->nextblock) {
+ if (nextb) {
nr_counted++;
- free += c->nextblock->free_size;
- dirty += c->nextblock->dirty_size;
- used += c->nextblock->used_size;
- wasted += c->nextblock->wasted_size;
- unchecked += c->nextblock->unchecked_size;
+ free += nextb->free_size;
+ dirty += nextb->dirty_size;
+ used += nextb->used_size;
+ wasted += nextb->wasted_size;
+ unchecked += nextb->unchecked_size;
}
list_for_each_entry(jeb, &c->clean_list, list) {
nr_counted++;
--
1.7.9.5

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