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fs: orangefs: fix error return code of orangefs_revalidate_lookup() 

When op_alloc() returns NULL to new_op, no error return code of
orangefs_revalidate_lookup() is assigned.
To fix this bug, ret is assigned with -ENOMEM in this case.

Fixes: 8bb8aefd5a ("OrangeFS: Change almost all instances of the string PVFS2 to OrangeFS.")
Reported-by: TOTE Robot <oslab@tsinghua.edu.cn>
Signed-off-by: Jia-Ju Bai <baijiaju1990@gmail.com>
Signed-off-by: Mike Marshall <hubcap@omnibond.com>
This commit is contained in:
Jia-Ju Bai 2021-03-09 00:00:20 -08:00 committed by Mike Marshall
parent 507874c08f
commit 4c2b46c824
1 changed files with 3 additions and 1 deletions
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4
fs/orangefs/dcache.c
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@ -26,8 +26,10 @@ static int orangefs_revalidate_lookup(struct dentry *dentry)
gossip_debug(GOSSIP_DCACHE_DEBUG, "%s: attempting lookup.\n", __func__);
new_op = op_alloc(ORANGEFS_VFS_OP_LOOKUP);
if (!new_op)
if (!new_op) {
ret = -ENOMEM;
goto out_put_parent;
}
new_op->upcall.req.lookup.sym_follow = ORANGEFS_LOOKUP_LINK_NO_FOLLOW;
new_op->upcall.req.lookup.parent_refn = parent->refn;