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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 03:55:28 -0500
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 12:48:44 -0500
commit540473208f8ac71c25a87e1a2670c3c18dd4d6db (patch)
tree716c6b412ebf3e232bd85da785315f888283d991 /include/sound/pcm.h
parentf59e5e82096f81a2cb7d7833001956d81e9fa6fb (diff)
[PATCH] mark struct file_operations const 1
Many struct file_operations in the kernel can be "const". Marking them const moves these to the .rodata section, which avoids false sharing with potential dirty data. In addition it'll catch accidental writes at compile time to these shared resources. Signed-off-by: Arjan van de Ven <arjan@linux.intel.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/sound/pcm.h')
-rw-r--r--include/sound/pcm.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index ee6bc2d06803..deff5a92efa6 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -447,7 +447,7 @@ struct snd_pcm_notify {
447 * Registering 447 * Registering
448 */ 448 */
449 449
450extern struct file_operations snd_pcm_f_ops[2]; 450extern const struct file_operations snd_pcm_f_ops[2];
451 451
452int snd_pcm_new(struct snd_card *card, char *id, int device, 452int snd_pcm_new(struct snd_card *card, char *id, int device,
453 int playback_count, int capture_count, 453 int playback_count, int capture_count,