omfs: fix potential integer overflow in allocator

[cascardo/linux.git] / fs / omfs / bitmap.c

diff --git a/fs/omfs/bitmap.c b/fs/omfs/bitmap.c
index 0822345..83f4e76 100644 (file)
--- a/fs/omfs/bitmap.c
+++ b/fs/omfs/bitmap.c
@@ -159,7 +159,7 @@ int omfs_allocate_range(struct super_block *sb,
        goto out;
 
 found:
-       *return_block = i * bits_per_entry + bit;
+       *return_block = (u64) i * bits_per_entry + bit;
        *return_size = run;
        ret = set_run(sb, i, bits_per_entry, bit, run, 1);