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-rw-r--r--fs/fs-writeback.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/fs-writeback.c b/fs/fs-writeback.c
index a20b1145f4d5..c399152de397 100644
--- a/fs/fs-writeback.c
+++ b/fs/fs-writeback.c
@@ -68,7 +68,12 @@ EXPORT_SYMBOL(writeback_in_progress);
struct backing_dev_info *inode_to_bdi(struct inode *inode)
{
- struct super_block *sb = inode->i_sb;
+ struct super_block *sb;
+
+ if (!inode)
+ return &noop_backing_dev_info;
+
+ sb = inode->i_sb;
#ifdef CONFIG_BLOCK
if (sb_is_blkdev_sb(sb))
return blk_get_backing_dev_info(I_BDEV(inode));