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-rw-r--r--fs/nilfs2/direct.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/fs/nilfs2/direct.c b/fs/nilfs2/direct.c
index e3ec248..c6379e4 100644
--- a/fs/nilfs2/direct.c
+++ b/fs/nilfs2/direct.c
@@ -210,7 +210,6 @@ static int nilfs_direct_last_key(const struct nilfs_bmap *bmap, __u64 *keyp)
if (lastkey == NILFS_DIRECT_KEY_MAX + 1)
return -ENOENT;
- BUG_ON(keyp == NULL);
*keyp = lastkey;
return 0;
@@ -366,9 +365,17 @@ static int nilfs_direct_assign(struct nilfs_bmap *bmap,
direct = (struct nilfs_direct *)bmap;
key = nilfs_bmap_data_get_key(bmap, *bh);
- BUG_ON(key > NILFS_DIRECT_KEY_MAX);
+ if (unlikely(key > NILFS_DIRECT_KEY_MAX)) {
+ printk(KERN_CRIT "%s: invalid key: %llu\n", __func__,
+ (unsigned long long)key);
+ return -EINVAL;
+ }
ptr = nilfs_direct_get_ptr(direct, key);
- BUG_ON(ptr == NILFS_BMAP_INVALID_PTR);
+ if (unlikely(ptr == NILFS_BMAP_INVALID_PTR)) {
+ printk(KERN_CRIT "%s: invalid pointer: %llu\n", __func__,
+ (unsigned long long)ptr);
+ return -EINVAL;
+ }
return direct->d_ops->dop_assign(direct, key, ptr, bh,
blocknr, binfo);
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