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Avoid passing uninitialized wbuf_dwork to cancel_delayed_work_sync during jffs2 sync.

PATCH New Frank Mori Hess 1 participant 1 message Nov 11, 2017

Subsystems (2)
Memory technology devices (MTD) Journalling flash file system V2 (JFFS2)
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Frank Mori Hess

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PATCH 1/1 Avoid passing uninitialized wbuf_dwork to cancel_delayed_work_sync during jffs2 sync.

---
 fs/jffs2/super.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
fs/jffs2/super.c +2 -1
index 153f1c6eb169..4da67675e7ca 100644
@@ -101,7 +101,8 @@ static int jffs2_sync_fs(struct super_block *sb, int wait)
 	struct jffs2_sb_info *c = JFFS2_SB_INFO(sb);
 
 #ifdef CONFIG_JFFS2_FS_WRITEBUFFER
-	cancel_delayed_work_sync(&c->wbuf_dwork);
+	if (c->wbuf != NULL)
+		cancel_delayed_work_sync(&c->wbuf_dwork);
 #endif
 
 	mutex_lock(&c->alloc_sem);
Signature · 1 line
2.11.0