diff options
Diffstat (limited to 'fs/sysv/itree.c')
| -rw-r--r-- | fs/sysv/itree.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/sysv/itree.c b/fs/sysv/itree.c index b22764fe669c..58d7f43a1371 100644 --- a/fs/sysv/itree.c +++ b/fs/sysv/itree.c @@ -145,6 +145,10 @@ static int alloc_branch(struct inode *inode, */ parent = block_to_cpu(SYSV_SB(inode->i_sb), branch[n-1].key); bh = sb_getblk(inode->i_sb, parent); + if (!bh) { + sysv_free_block(inode->i_sb, branch[n].key); + break; + } lock_buffer(bh); memset(bh->b_data, 0, blocksize); branch[n].bh = bh; |