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Diffstat (limited to 'net/dccp/ccid.c')
-rw-r--r--net/dccp/ccid.c20
1 files changed, 6 insertions, 14 deletions
diff --git a/net/dccp/ccid.c b/net/dccp/ccid.c
index f3e9ba1cfd01..ff16e9df1969 100644
--- a/net/dccp/ccid.c
+++ b/net/dccp/ccid.c
@@ -77,34 +77,24 @@ int ccid_getsockopt_builtin_ccids(struct sock *sk, int len,
77 return err; 77 return err;
78} 78}
79 79
80static struct kmem_cache *ccid_kmem_cache_create(int obj_size, const char *fmt,...) 80static struct kmem_cache *ccid_kmem_cache_create(int obj_size, char *slab_name_fmt, const char *fmt,...)
81{ 81{
82 struct kmem_cache *slab; 82 struct kmem_cache *slab;
83 char slab_name_fmt[32], *slab_name;
84 va_list args; 83 va_list args;
85 84
86 va_start(args, fmt); 85 va_start(args, fmt);
87 vsnprintf(slab_name_fmt, sizeof(slab_name_fmt), fmt, args); 86 vsnprintf(slab_name_fmt, CCID_SLAB_NAME_LENGTH, fmt, args);
88 va_end(args); 87 va_end(args);
89 88
90 slab_name = kstrdup(slab_name_fmt, GFP_KERNEL); 89 slab = kmem_cache_create(slab_name_fmt, sizeof(struct ccid) + obj_size, 0,
91 if (slab_name == NULL)
92 return NULL;
93 slab = kmem_cache_create(slab_name, sizeof(struct ccid) + obj_size, 0,
94 SLAB_HWCACHE_ALIGN, NULL); 90 SLAB_HWCACHE_ALIGN, NULL);
95 if (slab == NULL)
96 kfree(slab_name);
97 return slab; 91 return slab;
98} 92}
99 93
100static void ccid_kmem_cache_destroy(struct kmem_cache *slab) 94static void ccid_kmem_cache_destroy(struct kmem_cache *slab)
101{ 95{
102 if (slab != NULL) { 96 if (slab != NULL)
103 const char *name = kmem_cache_name(slab);
104
105 kmem_cache_destroy(slab); 97 kmem_cache_destroy(slab);
106 kfree(name);
107 }
108} 98}
109 99
110static int ccid_activate(struct ccid_operations *ccid_ops) 100static int ccid_activate(struct ccid_operations *ccid_ops)
@@ -113,6 +103,7 @@ static int ccid_activate(struct ccid_operations *ccid_ops)
113 103
114 ccid_ops->ccid_hc_rx_slab = 104 ccid_ops->ccid_hc_rx_slab =
115 ccid_kmem_cache_create(ccid_ops->ccid_hc_rx_obj_size, 105 ccid_kmem_cache_create(ccid_ops->ccid_hc_rx_obj_size,
106 ccid_ops->ccid_hc_rx_slab_name,
116 "ccid%u_hc_rx_sock", 107 "ccid%u_hc_rx_sock",
117 ccid_ops->ccid_id); 108 ccid_ops->ccid_id);
118 if (ccid_ops->ccid_hc_rx_slab == NULL) 109 if (ccid_ops->ccid_hc_rx_slab == NULL)
@@ -120,6 +111,7 @@ static int ccid_activate(struct ccid_operations *ccid_ops)
120 111
121 ccid_ops->ccid_hc_tx_slab = 112 ccid_ops->ccid_hc_tx_slab =
122 ccid_kmem_cache_create(ccid_ops->ccid_hc_tx_obj_size, 113 ccid_kmem_cache_create(ccid_ops->ccid_hc_tx_obj_size,
114 ccid_ops->ccid_hc_tx_slab_name,
123 "ccid%u_hc_tx_sock", 115 "ccid%u_hc_tx_sock",
124 ccid_ops->ccid_id); 116 ccid_ops->ccid_id);
125 if (ccid_ops->ccid_hc_tx_slab == NULL) 117 if (ccid_ops->ccid_hc_tx_slab == NULL)