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Subject[PATCH 20/30] NFS: Fix error handling [try #11]
Date
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>
---
fs/nfs/client.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
diff --git a/fs/nfs/client.c b/fs/nfs/client.c
index 27f6478..700bd58 100644
--- a/fs/nfs/client.c
+++ b/fs/nfs/client.c
@@ -208,6 +208,9 @@ #endif
*/
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)) {
-
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