diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:37 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:46 -0800 |
| commit | 9c2e08c592cd357a8330c34def1e8ecfdcf53275 (patch) | |
| tree | 62e7449e43bb502f2e9630ab41832ceccd9a0f65 /sound/sound_core.c | |
| parent | da7071d7e32d15149cc513f096a3638097b66387 (diff) | |
| download | lwn-9c2e08c592cd357a8330c34def1e8ecfdcf53275.tar.gz lwn-9c2e08c592cd357a8330c34def1e8ecfdcf53275.zip | |
[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/sound_core.c')
| -rw-r--r-- | sound/sound_core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/sound_core.c b/sound/sound_core.c index 8f1ced4ab34c..46daca175502 100644 --- a/sound/sound_core.c +++ b/sound/sound_core.c @@ -436,7 +436,7 @@ EXPORT_SYMBOL(unregister_sound_dsp); static int soundcore_open(struct inode *, struct file *); -static struct file_operations soundcore_fops= +static const struct file_operations soundcore_fops= { /* We must have an owner or the module locking fails */ .owner = THIS_MODULE, |