We got a kernel panic if old_addr is NULL.

Signed-off-by: Jaegeuk Kim <jaeg...@kernel.org>
---
 fs/f2fs/segment.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/f2fs/segment.c b/fs/f2fs/segment.c
index 72bce3808394..2439d7029e64 100644
--- a/fs/f2fs/segment.c
+++ b/fs/f2fs/segment.c
@@ -257,7 +257,7 @@ static int __replace_atomic_write_block(struct inode 
*inode, pgoff_t index,
        f2fs_put_dnode(&dn);
 
        trace_f2fs_replace_atomic_write_block(inode, F2FS_I(inode)->cow_inode,
-                                       index, *old_addr, new_addr, recover);
+                       index, old_addr ? *old_addr : 0, new_addr, recover);
        return 0;
 }
 
-- 
2.40.0.348.gf938b09366-goog



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