diff options
| author | Arjan van de Ven <arjan@linux.intel.com> | 2007-02-12 00:55:33 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-02-12 09:48:45 -0800 |
| commit | fa027c2a0a0d6d1df6b29ee99048502c93da0dd4 (patch) | |
| tree | 64a6b20c6c6e19a731882f830bd70ca5c8d99943 /drivers/media/video/cx88 | |
| parent | 2b8693c0617e972fc0b2fd1ebf8de97e15b656c3 (diff) | |
[PATCH] mark struct file_operations const 4
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.
[akpm@sdl.org: dvb fix]
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 'drivers/media/video/cx88')
| -rw-r--r-- | drivers/media/video/cx88/cx88-blackbird.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/cx88/cx88-video.c | 4 |
2 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/video/cx88/cx88-blackbird.c b/drivers/media/video/cx88/cx88-blackbird.c index 0cf0360588e..9a7a2996f20 100644 --- a/drivers/media/video/cx88/cx88-blackbird.c +++ b/drivers/media/video/cx88/cx88-blackbird.c @@ -1051,7 +1051,7 @@ mpeg_mmap(struct file *file, struct vm_area_struct * vma) return videobuf_mmap_mapper(&fh->mpegq, vma); } -static struct file_operations mpeg_fops = +static const struct file_operations mpeg_fops = { .owner = THIS_MODULE, .open = mpeg_open, diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c index 8613378428f..c86a7e06235 100644 --- a/drivers/media/video/cx88/cx88-video.c +++ b/drivers/media/video/cx88/cx88-video.c @@ -1808,7 +1808,7 @@ static irqreturn_t cx8800_irq(int irq, void *dev_id) /* ----------------------------------------------------------- */ /* exported stuff */ -static struct file_operations video_fops = +static const struct file_operations video_fops = { .owner = THIS_MODULE, .open = video_open, @@ -1839,7 +1839,7 @@ static struct video_device cx8800_vbi_template = .minor = -1, }; -static struct file_operations radio_fops = +static const struct file_operations radio_fops = { .owner = THIS_MODULE, .open = video_open, |