diff options
Diffstat (limited to 'fs/jfs')
| -rw-r--r-- | fs/jfs/jfs_imap.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/jfs/jfs_imap.c b/fs/jfs/jfs_imap.c index a037ee59e398..2ec35889ad24 100644 --- a/fs/jfs/jfs_imap.c +++ b/fs/jfs/jfs_imap.c @@ -2179,6 +2179,9 @@ static int diNewExt(struct inomap * imap, struct iag * iagp, int extno) /* get the ag and iag numbers for this iag. */ agno = BLKTOAG(le64_to_cpu(iagp->agstart), sbi); + if (agno >= MAXAG || agno < 0) + return -EIO; + iagno = le32_to_cpu(iagp->iagnum); /* check if this is the last free extent within the |