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authorJ. Bruce Fields <bfields@redhat.com>2011-01-31 17:14:55 -0500
committerJ. Bruce Fields <bfields@redhat.com>2011-02-14 10:35:18 -0500
commitdd239cc05f0ad9f582dd83d88a4fb5edcc57a026 (patch)
treeea1a50af9405d104d5c98620eed4ca10bf131df6 /fs
parent22d38c4c10e8344aa406897d99a35d585d2cb77d (diff)
nfsd4: fix leak on allocation error
Also share some common exit code. Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/nfsd/nfs4state.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/fs/nfsd/nfs4state.c b/fs/nfsd/nfs4state.c
index 65978a9aa87..099d6fa64f7 100644
--- a/fs/nfsd/nfs4state.c
+++ b/fs/nfsd/nfs4state.c
@@ -2699,14 +2699,12 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
}
dp = alloc_init_deleg(sop->so_client, stp, fh, flag);
- if (dp == NULL) {
- flag = NFS4_OPEN_DELEGATE_NONE;
- goto out;
- }
+ if (dp == NULL)
+ goto out_no_deleg;
status = -ENOMEM;
fl = nfs4_alloc_init_lease(dp, flag);
if (!fl)
- goto out;
+ goto out_free;
/* vfs_setlease checks to see if delegation should be handed out.
* the lock_manager callback fl_change is used
*/
@@ -2714,9 +2712,7 @@ nfs4_open_delegation(struct svc_fh *fh, struct nfsd4_open *open, struct nfs4_sta
dprintk("NFSD: setlease failed [%d], no delegation\n", status);
dp->dl_flock = NULL;
locks_free_lock(fl);
- unhash_delegation(dp);
- flag = NFS4_OPEN_DELEGATE_NONE;
- goto out;
+ goto out_free;
}
memcpy(&open->op_delegate_stateid, &dp->dl_stateid, sizeof(dp->dl_stateid));
@@ -2729,6 +2725,12 @@ out:
&& open->op_delegate_type != NFS4_OPEN_DELEGATE_NONE)
dprintk("NFSD: WARNING: refusing delegation reclaim\n");
open->op_delegate_type = flag;
+ return;
+out_free:
+ unhash_delegation(dp);
+out_no_deleg:
+ flag = NFS4_OPEN_DELEGATE_NONE;
+ goto out;
}
/*