/** * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved. * * This source file is released under GPL v2 license (no other versions). * See the COPYING file included in the main directory of this source * distribution for the license terms and conditions. * * @File ctresource.h * * @Brief * This file contains the definition of generic hardware resources for * resource management. * * @Author Liu Chun * @Date May 13 2008 * */ #ifndef CTRESOURCE_H #define CTRESOURCE_H #include enum RSCTYP { SRC, SRCIMP, AMIXER, SUM, DAIO, NUM_RSCTYP /* This must be the last one and less than 16 */ }; struct rsc_ops; struct rsc { u32 idx:12; /* The index of a resource */ u32 type:4; /* The type (RSCTYP) of a resource */ u32 conj:12; /* Current conjugate index */ u32 msr:4; /* The Master Sample Rate a resource working on */ void *ctrl_blk; /* Chip specific control info block for a resource */ struct hw *hw; /* Chip specific object for hardware access means */ const struct rsc_ops *ops; /* Generic resource operations */ }; struct rsc_ops { int (*master)(struct rsc *rsc); /* Move to master resource */ int (*next_conj)(struct rsc *rsc); /* Move to next conjugate resource */ int (*index)(const struct rsc *rsc); /* Return the index of resource */ /* Return the output slot number */ int (*output_slot)(const struct rsc *rsc); }; int rsc_init(struct rsc *rsc, u32 idx, enum RSCTYP type, u32 msr, struct hw *hw); int rsc_uninit(struct rsc *rsc); struct rsc_mgr { enum RSCTYP type; /* The type (RSCTYP) of resource to manage */ unsigned int amount; /* The total amount of a kind of resource */ unsigned int avail; /* The amount of currently available resources */ unsigned char *rscs; /* The bit-map for resource allocation */ void *ctrl_blk; /* Chip specific control info block */ struct hw *hw; /* Chip specific object for hardware access */ }; /* Resource management is based on bit-map mechanism */ int rsc_mgr_init(struct rsc_mgr *mgr, enum RSCTYP type, unsigned int amount, struct hw *hw); int rsc_mgr_uninit(struct rsc_mgr *mgr); int mgr_get_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int *ridx); int mgr_put_resource(struct rsc_mgr *mgr, unsigned int n, unsigned int idx); #endif /* CTRESOURCE_H */ ss='right' method='get' action='/cgit.cgi/linux/net-next.git/log/sound/oss/kahlua.c'>
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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/oss/kahlua.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/oss/kahlua.c')