During gc_data_segment(), if inode state is abnormal, it missed to call
iput(), fix it.

Fixes: b73e52824c89 ("f2fs: reposition unlock_new_inode to prevent accessing 
invalid inode")
Fixes: 9056d6489f5a ("f2fs: fix to do sanity check on inode type during garbage 
collection")
Signed-off-by: Chao Yu <c...@kernel.org>
---
v2:
- fix wrong fixes tag line.
 fs/f2fs/gc.c | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/fs/f2fs/gc.c b/fs/f2fs/gc.c
index ac4cbbe50c2f..6066c6eecf41 100644
--- a/fs/f2fs/gc.c
+++ b/fs/f2fs/gc.c
@@ -1554,10 +1554,15 @@ static int gc_data_segment(struct f2fs_sb_info *sbi, 
struct f2fs_summary *sum,
                        int err;
 
                        inode = f2fs_iget(sb, dni.ino);
-                       if (IS_ERR(inode) || is_bad_inode(inode) ||
-                                       special_file(inode->i_mode))
+                       if (IS_ERR(inode))
                                continue;
 
+                       if (is_bad_inode(inode) ||
+                                       special_file(inode->i_mode)) {
+                               iput(inode);
+                               continue;
+                       }
+
                        err = f2fs_gc_pinned_control(inode, gc_type, segno);
                        if (err == -EAGAIN) {
                                iput(inode);
-- 
2.40.1



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