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-rw-r--r--net/sunrpc/auth.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/sunrpc/auth.c b/net/sunrpc/auth.c
index 95afe79dd9d..0667a36aee7 100644
--- a/net/sunrpc/auth.c
+++ b/net/sunrpc/auth.c
@@ -270,6 +270,8 @@ rpcauth_cache_shrinker(int nr_to_scan, gfp_t gfp_mask)
LIST_HEAD(free);
int res;
+ if ((gfp_mask & GFP_KERNEL) != GFP_KERNEL)
+ return (nr_to_scan == 0) ? 0 : -1;
if (list_empty(&cred_unused))
return 0;
spin_lock(&rpc_credcache_lock);