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Diffstat (limited to 'fs/ntfs3/lznt.c')
-rw-r--r--fs/ntfs3/lznt.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/ntfs3/lznt.c b/fs/ntfs3/lznt.c
index fdc9b2ebf341..f818d9785004 100644
--- a/fs/ntfs3/lznt.c
+++ b/fs/ntfs3/lznt.c
@@ -240,7 +240,7 @@ static inline ssize_t decompress_chunk(u8 *unc, u8 *unc_end, const u8 *cmpr,
if (up - unc > LZNT_CHUNK_SIZE)
return -EINVAL;
/* Correct index */
- while (unc + s_max_off[index] < up)
+ while (index < ARRAY_SIZE(s_max_off) - 1 && unc + s_max_off[index] < up)
index += 1;
/* Check the current flag for zero. */