[NET]: Use SLAB_PANIC

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

4 files changed, 6 insertions, 18 deletions

diff --git a/net/ipv4/inetpeer.c b/net/ipv4/inetpeer.c
index 03ff62ebcfeb..a675602ef295 100644
--- a/net/ipv4/inetpeer.c
+++ b/net/ipv4/inetpeer.c
@@ -126,12 +126,9 @@ void __init inet_initpeers(void)
 
         peer_cachep = kmem_cache_create("inet_peer_cache",
                         sizeof(struct inet_peer),
-                        0, SLAB_HWCACHE_ALIGN,
+                        0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
                         NULL, NULL);
 
-        if (!peer_cachep)
-                panic("cannot create inet_peer_cache");
-
         /* All the timers, started at system startup tend
            to synchronize. Perturb it a bit.
          */
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 98f0aa0d4216..ba49588da242 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -1900,11 +1900,8 @@ void __init ip_mr_init(void)
 {
         mrt_cachep = kmem_cache_create("ip_mrt_cache",
                                        sizeof(struct mfc_cache),
-                                       0, SLAB_HWCACHE_ALIGN,
+                                       0, SLAB_HWCACHE_ALIGN|SLAB_PANIC,
                                        NULL, NULL);
-        if (!mrt_cachep)
-                panic("cannot allocate ip_mrt_cache");
-
         init_timer(&ipmr_expire_timer);
         ipmr_expire_timer.function=ipmr_expire_process;
         register_netdevice_notifier(&ip_mr_notifier);
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index a4d4cb85a16c..20ffe8e88c0f 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -3147,13 +3147,9 @@ int __init ip_rt_init(void)
         }
 #endif
 
-        ipv4_dst_ops.kmem_cachep = kmem_cache_create("ip_dst_cache",
-                                                     sizeof(struct rtable),
-                                                     0, SLAB_HWCACHE_ALIGN,
-                                                     NULL, NULL);
-
-        if (!ipv4_dst_ops.kmem_cachep)
-                panic("IP: failed to allocate ip_dst_cache\n");
+        ipv4_dst_ops.kmem_cachep =
+                kmem_cache_create("ip_dst_cache", sizeof(struct rtable), 0,
+                                  SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
 
         rt_hash_table = (struct rt_hash_bucket *)
                 alloc_large_system_hash("IP route cache",
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index e570db4d33c8..29e3d606db78 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -2254,9 +2254,7 @@ void __init tcp_init(void)
         tcp_hashinfo.bind_bucket_cachep =
                 kmem_cache_create("tcp_bind_bucket",
                                   sizeof(struct inet_bind_bucket), 0,
-                                  SLAB_HWCACHE_ALIGN, NULL, NULL);
-        if (!tcp_hashinfo.bind_bucket_cachep)
-                panic("tcp_init: Cannot alloc tcp_bind_bucket cache.");
+                                  SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL, NULL);
 
         /* Size and allocate the main established and bind bucket
          * hash tables.