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authorArjan van de Ven <arjan@linux.intel.com>2007-02-12 11:55:37 +0300
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-02-12 20:48:46 +0300
commit9c2e08c592cd357a8330c34def1e8ecfdcf53275 (patch)
tree62e7449e43bb502f2e9630ab41832ceccd9a0f65 /sound/core/init.c
parentda7071d7e32d15149cc513f096a3638097b66387 (diff)
downloadlinux-9c2e08c592cd357a8330c34def1e8ecfdcf53275.tar.xz
[PATCH] mark struct file_operations const 9
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 'sound/core/init.c')
-rw-r--r--sound/core/init.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/core/init.c b/sound/core/init.c
index db6103733742..4a431e3ea3a2 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -36,7 +36,7 @@
static DEFINE_SPINLOCK(shutdown_lock);
static LIST_HEAD(shutdown_files);
-static struct file_operations snd_shutdown_f_ops;
+static const struct file_operations snd_shutdown_f_ops;
static unsigned int snd_cards_lock; /* locked for registering/using */
struct snd_card *snd_cards[SNDRV_CARDS];
@@ -244,7 +244,7 @@ static int snd_disconnect_fasync(int fd, struct file *file, int on)
return -ENODEV;
}
-static struct file_operations snd_shutdown_f_ops =
+static const struct file_operations snd_shutdown_f_ops =
{
.owner = THIS_MODULE,
.llseek = snd_disconnect_llseek,