NLM: nlm_alloc_call should not immediately fail on signal

Currently, nlm_alloc_call tests for a signal before it even tries to
allocate memory.
Fix it so that it tries at least once.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/fs/lockd/clntproc.c b/fs/lockd/clntproc.c
index 970b6a6aa337..615a988a92a7 100644
--- a/fs/lockd/clntproc.c
+++ b/fs/lockd/clntproc.c
@@ -291,14 +291,15 @@ nlmclnt_alloc_call(void)
 {
         struct nlm_rqst *call;
 
-        while (!signalled()) {
-                call = (struct nlm_rqst *) kmalloc(sizeof(struct nlm_rqst), GFP_KERNEL);
-                if (call) {
-                        memset(call, 0, sizeof(*call));
+        for(;;) {
+                call = kzalloc(sizeof(*call), GFP_KERNEL);
+                if (call != NULL) {
                         locks_init_lock(&call->a_args.lock.fl);
                         locks_init_lock(&call->a_res.lock.fl);
                         return call;
                 }
+                if (signalled())
+                        break;
                 printk("nlmclnt_alloc_call: failed, waiting for memory\n");
                 schedule_timeout_interruptible(5*HZ);
         }