[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>
diff --git a/sound/core/pcm_memory.c b/sound/core/pcm_memory.c
index a0119ae..428f8c1 100644
--- a/sound/core/pcm_memory.c
+++ b/sound/core/pcm_memory.c
@@ -100,8 +100,10 @@
int snd_pcm_lib_preallocate_free(struct snd_pcm_substream *substream)
{
snd_pcm_lib_preallocate_dma_free(substream);
+#ifdef CONFIG_SND_VERBOSE_PROCFS
snd_info_unregister(substream->proc_prealloc_entry);
substream->proc_prealloc_entry = NULL;
+#endif
return 0;
}
@@ -124,7 +126,7 @@
return 0;
}
-#ifdef CONFIG_PROC_FS
+#ifdef CONFIG_SND_VERBOSE_PROCFS
/*
* read callback for prealloc proc file
*
@@ -203,9 +205,9 @@
substream->proc_prealloc_entry = entry;
}
-#else /* !CONFIG_PROC_FS */
+#else /* !CONFIG_SND_VERBOSE_PROCFS */
#define preallocate_info_init(s)
-#endif
+#endif /* CONFIG_SND_VERBOSE_PROCFS */
/*
* pre-allocate the buffer and create a proc file for the substream