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[ALSA] Fix Oops at rmmod with CONFIG_SND_VERBOSE_PROCFS=n
Fixed Oops at rmmod with CONFIG_SND_VERBOSE_PROCFS=n. Add ifdef to struct fields for optimization and better compile checks. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -374,12 +374,14 @@ struct snd_pcm_substream {
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/* -- OSS things -- */
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struct snd_pcm_oss_substream oss;
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#endif
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#ifdef CONFIG_SND_VERBOSE_PROCFS
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struct snd_info_entry *proc_root;
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struct snd_info_entry *proc_info_entry;
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struct snd_info_entry *proc_hw_params_entry;
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struct snd_info_entry *proc_sw_params_entry;
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struct snd_info_entry *proc_status_entry;
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struct snd_info_entry *proc_prealloc_entry;
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#endif
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/* misc flags */
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unsigned int no_mmap_ctrl: 1;
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unsigned int hw_opened: 1;
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@ -400,12 +402,14 @@ struct snd_pcm_str {
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struct snd_pcm_oss_stream oss;
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#endif
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struct snd_pcm_file *files;
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#ifdef CONFIG_SND_VERBOSE_PROCFS
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struct snd_info_entry *proc_root;
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struct snd_info_entry *proc_info_entry;
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#ifdef CONFIG_SND_DEBUG
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#ifdef CONFIG_SND_PCM_XRUN_DEBUG
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unsigned int xrun_debug; /* 0 = disabled, 1 = verbose, 2 = stacktrace */
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struct snd_info_entry *proc_xrun_debug_entry;
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#endif
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#endif
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};
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struct snd_pcm {
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@ -75,7 +75,9 @@ struct snd_pcm_oss_substream {
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struct snd_pcm_oss_stream {
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struct snd_pcm_oss_setup *setup_list; /* setup list */
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struct mutex setup_mutex;
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#ifdef CONFIG_SND_VERBOSE_PROCFS
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struct snd_info_entry *proc_entry;
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#endif
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};
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struct snd_pcm_oss {
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@ -142,7 +142,7 @@ config SND_SUPPORT_OLD_API
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config SND_VERBOSE_PROCFS
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bool "Verbose procfs contents"
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depends on SND
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depends on SND && PROC_FS
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default y
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help
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Say Y here to include code for verbose procfs contents (provides
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@ -175,7 +175,7 @@ config SND_DEBUG_DETECT
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config SND_PCM_XRUN_DEBUG
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bool "Enable PCM ring buffer overrun/underrun debugging"
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default n
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depends on SND_DEBUG
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depends on SND_DEBUG && SND_VERBOSE_PROCFS
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help
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Say Y to enable the PCM ring buffer overrun/underrun debugging.
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It is usually not required, but if you have trouble with
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@ -2214,7 +2214,7 @@ static int snd_pcm_oss_mmap(struct file *file, struct vm_area_struct *area)
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return 0;
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}
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#ifdef CONFIG_PROC_FS
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#ifdef CONFIG_SND_VERBOSE_PROCFS
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/*
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* /proc interface
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*/
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@ -2368,10 +2368,10 @@ static void snd_pcm_oss_proc_done(struct snd_pcm *pcm)
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}
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}
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}
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#else /* !CONFIG_PROC_FS */
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#else /* !CONFIG_SND_VERBOSE_PROCFS */
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#define snd_pcm_oss_proc_init(pcm)
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#define snd_pcm_oss_proc_done(pcm)
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#endif /* CONFIG_PROC_FS */
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#endif /* CONFIG_SND_VERBOSE_PROCFS */
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/*
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* ENTRY functions
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@ -142,7 +142,7 @@ static int snd_pcm_control_ioctl(struct snd_card *card,
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return -ENOIOCTLCMD;
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}
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#if defined(CONFIG_PROC_FS) && defined(CONFIG_SND_VERBOSE_PROCFS)
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#ifdef CONFIG_SND_VERBOSE_PROCFS
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#define STATE(v) [SNDRV_PCM_STATE_##v] = #v
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#define STREAM(v) [SNDRV_PCM_STREAM_##v] = #v
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@ -599,12 +599,12 @@ static int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream)
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}
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return 0;
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}
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#else /* !CONFIG_PROC_FS */
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#else /* !CONFIG_SND_VERBOSE_PROCFS */
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static inline int snd_pcm_stream_proc_init(struct snd_pcm_str *pstr) { return 0; }
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static inline int snd_pcm_stream_proc_done(struct snd_pcm_str *pstr) { return 0; }
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static inline int snd_pcm_substream_proc_init(struct snd_pcm_substream *substream) { return 0; }
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static inline int snd_pcm_substream_proc_done(struct snd_pcm_substream *substream) { return 0; }
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#endif /* CONFIG_PROC_FS */
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#endif /* CONFIG_SND_VERBOSE_PROCFS */
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/**
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* snd_pcm_new_stream - create a new PCM stream
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@ -100,8 +100,10 @@ static void snd_pcm_lib_preallocate_dma_free(struct snd_pcm_substream *substream
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int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream)
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{
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snd_pcm_lib_preallocate_dma_free(substream);
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#ifdef CONFIG_SND_VERBOSE_PROCFS
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snd_info_unregister(substream->proc_prealloc_entry);
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substream->proc_prealloc_entry = NULL;
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#endif
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return 0;
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}
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@ -124,7 +126,7 @@ int snd_pcm_lib_preallocate_free_for_all(struct snd_pcm *pcm)
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return 0;
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}
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#ifdef CONFIG_PROC_FS
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#ifdef CONFIG_SND_VERBOSE_PROCFS
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/*
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* read callback for prealloc proc file
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*
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@ -203,9 +205,9 @@ static inline void preallocate_info_init(struct snd_pcm_substream *substream)
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substream->proc_prealloc_entry = entry;
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}
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#else /* !CONFIG_PROC_FS */
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#else /* !CONFIG_SND_VERBOSE_PROCFS */
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#define preallocate_info_init(s)
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#endif
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#endif /* CONFIG_SND_VERBOSE_PROCFS */
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/*
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* pre-allocate the buffer and create a proc file for the substream
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