diff options
| author | Kinglong Mee <kinglongmee@gmail.com> | 2014-07-07 22:10:56 +0800 |
|---|---|---|
| committer | J. Bruce Fields <bfields@redhat.com> | 2014-07-09 20:55:08 -0400 |
| commit | 01529e3f817908b394221b0a5d985ae3541641cc (patch) | |
| tree | ad2398d812af60dcb48daa047301c19124b4708b /fs/nfsd/nfs4xdr.c | |
| parent | 0fe492db6003218d5c36765c09cce3a5a9f8a2eb (diff) | |
NFSD: Fix memory leak in encoding denied lock
Commit 8c7424cff6 (nfsd4: don't try to encode conflicting owner if low on space)
forgot free conf->data in nfsd4_encode_lockt and before sign conf->data to NULL
in nfsd4_encode_lock_denied.
Signed-off-by: Kinglong Mee <kinglongmee@gmail.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs/nfsd/nfs4xdr.c')
| -rw-r--r-- | fs/nfsd/nfs4xdr.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c index 21ffb9b9b768..1ad7bd4e346f 100644 --- a/fs/nfsd/nfs4xdr.c +++ b/fs/nfsd/nfs4xdr.c @@ -2874,6 +2874,7 @@ again: * return the conflicting open: */ if (conf->len) { + kfree(conf->data); conf->len = 0; conf->data = NULL; goto again; @@ -2886,6 +2887,7 @@ again: if (conf->len) { p = xdr_encode_opaque_fixed(p, &ld->ld_clientid, 8); p = xdr_encode_opaque(p, conf->data, conf->len); + kfree(conf->data); } else { /* non - nfsv4 lock in conflict, no clientid nor owner */ p = xdr_encode_hyper(p, (u64)0); /* clientid */ *p++ = cpu_to_be32(0); /* length of owner name */ @@ -2902,7 +2904,7 @@ nfsd4_encode_lock(struct nfsd4_compoundres *resp, __be32 nfserr, struct nfsd4_lo nfserr = nfsd4_encode_stateid(xdr, &lock->lk_resp_stateid); else if (nfserr == nfserr_denied) nfserr = nfsd4_encode_lock_denied(xdr, &lock->lk_denied); - kfree(lock->lk_denied.ld_owner.data); + return nfserr; } |