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authorTakashi Iwai <tiwai@suse.de>2006-07-31 16:51:51 +0200
committerJaroslav Kysela <perex@suse.cz>2006-09-23 10:39:50 +0200
commit548a648b98318e4b843b636dd2c7f42377e19a00 (patch)
treeaf08ffaaabd478080656a7fb8df149d37f66cdb8 /include/sound
parent1c3985580445ef9225c1ea7714d6d963f7626eeb (diff)
downloadop-kernel-dev-548a648b98318e4b843b636dd2c7f42377e19a00.zip
op-kernel-dev-548a648b98318e4b843b636dd2c7f42377e19a00.tar.gz
[ALSA] Fix control/status mmap with shared PCM substream
The flag to avoid 32bit-incompatible mmap for control/status records should be outside the pcm substream instance since a substream can be shared among multiple opens. Now it's flagged in pcm_file list that is directly assigned to file->private_data. Also, removed snd_pcm_add_file() and remove_file() functions and substream.files field that are not really used in the code. Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'include/sound')
-rw-r--r--include/sound/pcm.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index f84d849..60d40b3 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -190,7 +190,7 @@ struct snd_pcm_ops {
struct snd_pcm_file {
struct snd_pcm_substream *substream;
- struct snd_pcm_file *next;
+ int no_compat_mmap;
};
struct snd_pcm_hw_rule;
@@ -384,7 +384,6 @@ struct snd_pcm_substream {
struct snd_info_entry *proc_prealloc_entry;
#endif
/* misc flags */
- unsigned int no_mmap_ctrl: 1;
unsigned int hw_opened: 1;
};
@@ -402,7 +401,6 @@ struct snd_pcm_str {
/* -- OSS things -- */
struct snd_pcm_oss_stream oss;
#endif
- struct snd_pcm_file *files;
#ifdef CONFIG_SND_VERBOSE_PROCFS
struct snd_info_entry *proc_root;
struct snd_info_entry *proc_info_entry;
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