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authorDavid Howells <dhowells@redhat.com>2006-07-30 22:40:56 +0400
committerTrond Myklebust <Trond.Myklebust@netapp.com>2006-09-23 07:24:37 +0400
commit27ba851244f627a302d0fc6469d1ad413fc34fcb (patch)
tree383016ee3e96fe7acf62067bda1ed70371ab4640 /fs/nfs/client.c
parent6aaca566503296a73f956908ec98173946134fe2 (diff)
downloadlinux-27ba851244f627a302d0fc6469d1ad413fc34fcb.tar.xz
NFS: Fix error handling
Fix an error handling problem: nfs_put_client() can be given a NULL pointer if nfs_free_server() is asked to destroy a partially initialised record. Signed-Off-By: David Howells <dhowells@redhat.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs/client.c')
-rw-r--r--fs/nfs/client.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 27f64781444a..700bd5801223 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -208,6 +208,9 @@ static void nfs_free_client(struct nfs_client *clp)
*/
void nfs_put_client(struct nfs_client *clp)
{
+ if (!clp)
+ return;
+
dprintk("--> nfs_put_client({%d})\n", atomic_read(&clp->cl_count));
if (atomic_dec_and_lock(&clp->cl_count, &nfs_client_lock)) {