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/usbvision | |
| parent | [PATCH] mark struct file_operations const 3 (diff) | |
| download | linux-dev-fa027c2a0a0d6d1df6b29ee99048502c93da0dd4.tar.xz linux-dev-fa027c2a0a0d6d1df6b29ee99048502c93da0dd4.zip | |
[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/usbvision')
| -rw-r--r-- | drivers/media/video/usbvision/usbvision-video.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/media/video/usbvision/usbvision-video.c b/drivers/media/video/usbvision/usbvision-video.c index bdd6301d2a47..4eb7330b96f8 100644 --- a/drivers/media/video/usbvision/usbvision-video.c +++ b/drivers/media/video/usbvision/usbvision-video.c @@ -1475,7 +1475,7 @@ static int usbvision_vbi_ioctl(struct inode *inode, struct file *file, // // Video template -static struct file_operations usbvision_fops = { +static const struct file_operations usbvision_fops = { .owner = THIS_MODULE, .open = usbvision_v4l2_open, .release = usbvision_v4l2_close, @@ -1496,7 +1496,7 @@ static struct video_device usbvision_video_template = { // Radio template -static struct file_operations usbvision_radio_fops = { +static const struct file_operations usbvision_radio_fops = { .owner = THIS_MODULE, .open = usbvision_radio_open, .release = usbvision_radio_close, @@ -1517,7 +1517,7 @@ static struct video_device usbvision_radio_template= // vbi template -static struct file_operations usbvision_vbi_fops = { +static const struct file_operations usbvision_vbi_fops = { .owner = THIS_MODULE, .open = usbvision_vbi_open, .release = usbvision_vbi_close, |