kcm: Remove unnecessary SLAB_PANIC for kmem_cache_create() in kcm_init

There has check NULL on kmem_cache_create on failure in kcm_init,
no need use SLAB_PANIC to panic the system.

Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

Author: YueHaibing

net/kcm/kcmsock.c

@@ -2036,13 +2036,13 @@ static int __init kcm_init(void)
 
 	kcm_muxp = kmem_cache_create("kcm_mux_cache",
 				     sizeof(struct kcm_mux), 0,
-				     SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
+				     SLAB_HWCACHE_ALIGN, NULL);
 	if (!kcm_muxp)
 		goto fail;
 
 	kcm_psockp = kmem_cache_create("kcm_psock_cache",
 				       sizeof(struct kcm_psock), 0,
-					SLAB_HWCACHE_ALIGN | SLAB_PANIC, NULL);
+					SLAB_HWCACHE_ALIGN, NULL);
 	if (!kcm_psockp)
 		goto fail;