/* * linux/fs/nfs/iostat.h * * Declarations for NFS client per-mount statistics * * Copyright (C) 2005, 2006 Chuck Lever * */ #ifndef _NFS_IOSTAT #define _NFS_IOSTAT #include #include #include struct nfs_iostats { unsigned long long bytes[__NFSIOS_BYTESMAX]; #ifdef CONFIG_NFS_FSCACHE unsigned long long fscache[__NFSIOS_FSCACHEMAX]; #endif unsigned long events[__NFSIOS_COUNTSMAX]; } ____cacheline_aligned; static inline void nfs_inc_server_stats(const struct nfs_server *server, enum nfs_stat_eventcounters stat) { this_cpu_inc(server->io_stats->events[stat]); } static inline void nfs_inc_stats(const struct inode *inode, enum nfs_stat_eventcounters stat) { nfs_inc_server_stats(NFS_SERVER(inode), stat); } static inline void nfs_add_server_stats(const struct nfs_server *server, enum nfs_stat_bytecounters stat, long addend) { this_cpu_add(server->io_stats->bytes[stat], addend); } static inline void nfs_add_stats(const struct inode *inode, enum nfs_stat_bytecounters stat, long addend) { nfs_add_server_stats(NFS_SERVER(inode), stat, addend); } #ifdef CONFIG_NFS_FSCACHE static inline void nfs_add_fscache_stats(struct inode *inode, enum nfs_stat_fscachecounters stat, long addend) { this_cpu_add(NFS_SERVER(inode)->io_stats->fscache[stat], addend); } static inline void nfs_inc_fscache_stats(struct inode *inode, enum nfs_stat_fscachecounters stat) { this_cpu_inc(NFS_SERVER(inode)->io_stats->fscache[stat]); } #endif static inline struct nfs_iostats __percpu *nfs_alloc_iostats(void) { return alloc_percpu(struct nfs_iostats); } static inline void nfs_free_iostats(struct nfs_iostats __percpu *stats) { if (stats != NULL) free_percpu(stats); } #endif /* _NFS_IOSTAT */ ba0b0b7c44ecea49cf69a708203b76ba5535'>treecommitdiff
path: root/sound/pci/ac97
diff options
context:
space:
mode:
authorJisheng Zhang <jszhang@marvell.com>2016-11-10 17:21:29 +0800
committerMark Brown <broonie@kernel.org>2016-11-11 15:38:08 +0000
commit09f2ba0b0b7c44ecea49cf69a708203b76ba5535 (patch)
tree042df33ac99f77d8b86ac427431e267c33561c35 /sound/pci/ac97
parent1001354ca34179f3db924eb66672442a173147dc (diff)
regulator: gpio: properly check return value of of_get_named_gpio
The function of_get_named_gpio() could return -ENOENT, -EPROBE_DEFER -EINVAL and so on. Currently, for the optional property "enable-gpio", we only check -EPROBE_DEFER, this is not enough since there may be misconfigured "enable-gpio" in the DTB, of_get_named_gpio() will return -EINVAL in this case, we should return immediately here. And for the optional property "gpios", we didn't check the return value, the driver will continue to the point where gpio_request_array() is called, it doesn't make sense to continue if we got -EPROBE_DEFER or -EINVAL here. This patch tries to address these two issues by properly checking the return value of of_get_named_gpio. Signed-off-by: Jisheng Zhang <jszhang@marvell.com> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/pci/ac97')