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| author | Theodore Ts'o <tytso@mit.edu> | 2010-12-20 07:26:59 -0500 |
|---|---|---|
| committer | Theodore Ts'o <tytso@mit.edu> | 2010-12-20 07:26:59 -0500 |
| commit | b72143ab3ed566a12560fa4411a1f02c276dcc39 (patch) | |
| tree | 8a4ad3ee044ca2c398fc769973bebfa0b721fca6 /fs/ext4 | |
| parent | 0ff2ea7d84e31176a046a1eabea59d6e4eecd998 (diff) | |
| download | lwn-b72143ab3ed566a12560fa4411a1f02c276dcc39.tar.gz lwn-b72143ab3ed566a12560fa4411a1f02c276dcc39.zip | |
ext4: Add error checking to kmem_cache_alloc() call in ext4_free_blocks()
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/mballoc.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c index 731b6f738a03..46d5414f59c1 100644 --- a/fs/ext4/mballoc.c +++ b/fs/ext4/mballoc.c @@ -4626,7 +4626,11 @@ do_more: * blocks being freed are metadata. these blocks shouldn't * be used until this transaction is committed */ - new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS); + new_entry = kmem_cache_alloc(ext4_free_ext_cachep, GFP_NOFS); + if (!new_entry) { + err = -ENOMEM; + goto error_return; + } new_entry->start_blk = bit; new_entry->group = block_group; new_entry->count = count; |