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jfs: Fix sanity check in dbMount

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MAXAG is a legitimate value for bmp->db_numag

Fixes: e63866a475 ("jfs: fix out-of-bounds in dbNextAG() and diAlloc()")

Signed-off-by: Dave Kleikamp <dave.kleikamp@oracle.com>
This commit is contained in:
Dave Kleikamp 2024-10-22 09:40:37 -05:00
parent c2ee9f594d
commit 67373ca840
1 changed files with 1 additions and 1 deletions
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2
fs/jfs/jfs_dmap.c
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@ -187,7 +187,7 @@ int dbMount(struct inode *ipbmap)
} }
bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag); bmp->db_numag = le32_to_cpu(dbmp_le->dn_numag);
if (!bmp->db_numag || bmp->db_numag >= MAXAG) { if (!bmp->db_numag || bmp->db_numag > MAXAG) {
err = -EINVAL; err = -EINVAL;
goto err_release_metapage; goto err_release_metapage;
} }