/* * A security identifier table (sidtab) is a hash table * of security context structures indexed by SID value. * * Author : Stephen Smalley, */ #ifndef _SS_SIDTAB_H_ #define _SS_SIDTAB_H_ #include "context.h" struct sidtab_node { u32 sid; /* security identifier */ struct context context; /* security context structure */ struct sidtab_node *next; }; #define SIDTAB_HASH_BITS 7 #define SIDTAB_HASH_BUCKETS (1 << SIDTAB_HASH_BITS) #define SIDTAB_HASH_MASK (SIDTAB_HASH_BUCKETS-1) #define SIDTAB_SIZE SIDTAB_HASH_BUCKETS struct sidtab { struct sidtab_node **htable; unsigned int nel; /* number of elements */ unsigned int next_sid; /* next SID to allocate */ unsigned char shutdown; #define SIDTAB_CACHE_LEN 3 struct sidtab_node *cache[SIDTAB_CACHE_LEN]; spinlock_t lock; }; int sidtab_init(struct sidtab *s); int sidtab_insert(struct sidtab *s, u32 sid, struct context *context); struct context *sidtab_search(struct sidtab *s, u32 sid); struct context *sidtab_search_force(struct sidtab *s, u32 sid); int sidtab_map(struct sidtab *s, int (*apply) (u32 sid, struct context *context, void *args), void *args); int sidtab_context_to_sid(struct sidtab *s, struct context *context, u32 *sid); void sidtab_hash_eval(struct sidtab *h, char *tag); void sidtab_destroy(struct sidtab *s); void sidtab_set(struct sidtab *dst, struct sidtab *src); void sidtab_shutdown(struct sidtab *s); #endif /* _SS_SIDTAB_H_ */ e>
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authorVincent <vincent.stehle@laposte.net>2017-01-30 15:06:43 +0100
committerDavid S. Miller <davem@davemloft.net>2017-01-31 13:07:40 -0500
commitc73e44269369e936165f0f9b61f1f09a11dae01c (patch)
treee2188e900ba06302f8ed2746cb07edd3efbc5c35 /sound/ppc/pmac.c
parent040587af31228d82c52267f717c9fcdb65f36335 (diff)
net: thunderx: avoid dereferencing xcv when NULL
This fixes the following smatch and coccinelle warnings: drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119 xcv_setup_link() error: we previously assumed 'xcv' could be null (see line 118) [smatch] drivers/net/ethernet/cavium/thunder/thunder_xcv.c:119:16-20: ERROR: xcv is NULL but dereferenced. [coccinelle] Fixes: 6465859aba1e66a5 ("net: thunderx: Add RGMII interface type support") Signed-off-by: Vincent Stehlé <vincent.stehle@laposte.net> Cc: Sunil Goutham <sgoutham@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'sound/ppc/pmac.c')