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-rw-r--r--fs/f2fs/hash.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/f2fs/hash.c b/fs/f2fs/hash.c
index a60f04200f8b..5e48baca3597 100644
--- a/fs/f2fs/hash.c
+++ b/fs/f2fs/hash.c
@@ -76,6 +76,10 @@ f2fs_hash_t f2fs_dentry_hash(const char *name, int len)
const char *p;
__u32 in[8], buf[4];
+ if ((len <= 2) && (name[0] == '.') &&
+ (name[1] == '.' || name[1] == '\0'))
+ return 0;
+
/* Initialize the default seed for the hash checksum functions */
buf[0] = 0x67452301;
buf[1] = 0xefcdab89;